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Question 1
Incorrect
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What conclusion was drawn from the STAR*D trial?
Your Answer: A combination of mirtazapine and tranylcypromine produced better results than use of venlafaxine alone
Correct Answer: 1 in 3 participants reached remission on citalopram
Explanation:STAR*D Study
The STAR*D trial, conducted in the USA, aimed to evaluate the effectiveness of treatments for major depressive disorder in real-world patients. The study involved four levels of treatment, with patients starting at level 1 and progressing to the next level if they did not respond. The outcome measure used was remission, and the study entry criteria were broadly defined to ensure results could be generalized to a wide range of patients.
A total of 4,041 patients were enrolled in the first level of treatment, making STAR*D the largest prospective clinical trial of depression ever conducted. In level 1, one-third of participants achieved remission, and a further 10-15% responded but not to the point of remission. If treatment with an initial SSRI fails, then one in four patients who choose to switch to another medication will enter remission, regardless of whether the second medication is an SSRI of a medication of a different class. If patients choose to add a medication instead, one in three will get better.
Overall, the STAR*D study provides valuable insights into the effectiveness of different treatments for major depressive disorder and highlights the importance of considering alternative treatments if initial treatment fails.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 2
Correct
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A 65-year-old patient has been experiencing visual hallucinations for the past two weeks. He reports seeing animals in his house and people who are not there. Although he knows they are not real, he is concerned about his mental health. The patient has a history of diet-controlled type 2 diabetes and age-related macular degeneration. Physical examination and cognitive testing reveal no abnormalities. What is the most probable diagnosis?
Your Answer: Charles Bonnet syndrome
Explanation:Charles Bonnet syndrome is a condition that is not yet fully understood. It typically affects elderly individuals with visual impairment, causing them to experience complex visual hallucinations while still maintaining full awareness. These hallucinations are often pleasant and pastoral in nature and may be alleviated with reassurance. Unfortunately, there is currently no medical treatment available for this condition. Some theories suggest that the lack of visual input to the brain may trigger dream-like hallucinations, similar to phantom limb pain. For more information on this topic, please refer to the article Charles Bonnet syndrome-elderly people and visual hallucinations by Jakob et al. (2004).
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This question is part of the following fields:
- Old Age Psychiatry
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Question 3
Correct
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What is the most frequently observed symptom in children diagnosed with bodily distress disorder?
Your Answer: Abdominal pain
Explanation:According to ICD-11, the bodily symptoms that are most frequently reported by children and adolescents are gastrointestinal symptoms that occur repeatedly (such as abdominal pain and nausea), fatigue, headaches, and musculoskeletal pain. Typically, children tend to experience one recurring symptom rather than multiple bodily symptoms.
Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 4
Correct
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What is a true statement about frontotemporal lobar dementias?
Your Answer: Compared to Alzheimer's recent memory is preserved better than remote memory
Explanation:Frontotemporal Lobar Degeneration
Frontotemporal lobar degeneration (FTLD) is a group of neurodegenerative disorders that involve the atrophy of the frontal and temporal lobes. The disease is characterized by progressive dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. FTLD is the third most common form of dementia across all age groups and a leading type of early-onset dementia.
The disease has common features such as onset before 65, insidious onset, relatively preserved memory and visuospatial skills, personality change, and social conduct problems. There are three recognized subtypes of FTLD: behavioral-variant (bvFTD), language variant – primary progressive aphasia (PPA), and the language variant is further subdivided into semantic variant PPA (aka semantic dementia) and non-fluent agrammatic variant PPA (nfvPPA).
As the disease progresses, the symptoms of the three clinical variants can converge, as an initially focal degeneration becomes more diffuse and spreads to affect large regions in the frontal and temporal lobes. The key differences between the subtypes are summarized in the table provided. The bvFTD subtype is characterized by poor personal and social decorum, disinhibition, poor judgment and problem-solving, apathy, compulsive/perseverative behavior, hyperorality of dietary changes, and loss of empathy. The nfvPPA subtype is characterized by slow/slurred speech, decreased word output and phrase length, word-finding difficulties, apraxia of speech, and spared single-word comprehension. The svPPA subtype is characterized by intact speech fluency, word-finding difficulties (anomia), impaired single-word comprehension, repetitive speech, and reduced word comprehension.
In conclusion, FTLD is a progressive, heterogeneous, neurodegenerative disorder that affects the frontal and temporal lobes. The disease is characterized by dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. There are three recognized subtypes of FTLD, and as the disease progresses, the symptoms of the three clinical variants can converge.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 5
Correct
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Under what circumstances should Opioid detoxification not be offered as a standard practice, as per the NICE guidelines?
Your Answer: When a patient is serving a short prison sentence
Explanation:It is not recommended to offer opioid detoxification to individuals with urgent medical conditions. However, for those in police custody of serving a short prison sentence, of those presenting in an acute of emergency setting, consideration should be given to treating opioid withdrawal symptoms with medication and referring them to further drug services as needed. If an individual seeking opioid detoxification also misuses alcohol, healthcare professionals should address their alcohol misuse, as it may worsen during opioid withdrawal of be substituted for previous opioid misuse. For those who are alcohol dependent, alcohol detoxification should be offered before starting opioid detoxification in a community of prison setting, but can be done concurrently with opioid detoxification in an inpatient setting of with stabilisation in a community setting.
Opioid Maintenance Therapy and Detoxification
Withdrawal symptoms can occur after as little as 5 days of regular opioid use. Short-acting opioids like heroin have acute withdrawal symptoms that peak in 32-72 hours and last for 3-5 days. Longer-acting opioids like methadone have acute symptoms that peak at day 4-6 and last for 10 days. Buprenorphine withdrawal lasts up to 10 days and includes symptoms like myalgia, anxiety, and increased drug craving.
Opioids affect the brain through opioid receptors, with the µ receptor being the main target for opioids. Dopaminergic cells in the ventral tegmental area produce dopamine, which is released into the nucleus accumbens upon stimulation of µ receptors, producing euphoria and reward. With repeat opioid exposure, µ receptors become less responsive, causing dysphoria and drug craving.
Methadone and buprenorphine are maintenance-oriented treatments for opioid dependence. Methadone is a full agonist targeting µ receptors, while buprenorphine is a partial agonist targeting µ receptors and a partial k agonist of functional antagonist. Naloxone and naltrexone are antagonists targeting all opioid receptors.
Methadone is preferred over buprenorphine for detoxification, and ultra-rapid detoxification should not be offered. Lofexidine may be considered for mild of uncertain dependence. Clonidine and dihydrocodeine should not be used routinely in opioid detoxification. The duration of detoxification should be up to 4 weeks in an inpatient setting and up to 12 weeks in a community setting.
Pregnant women dependent on opioids should use opioid maintenance treatment rather than attempt detoxification. Methadone is preferred over buprenorphine, and transfer to buprenorphine during pregnancy is not advised. Detoxification should only be considered if appropriate for the women’s wishes, circumstances, and ability to cope. Methadone or buprenorphine treatment is not a contraindication to breastfeeding.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 6
Incorrect
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A young adult presents with symptoms of low mood, hypersomnia, hyperphagia, and weight gain. In addition, they complain of low energy, poor concentration, and anhedonia. Which of the following interventions is least likely to be effective in their treatment?
Your Answer: Moclobemide
Correct Answer: Dosulepin
Explanation:When it comes to treating atypical depression, tricyclic antidepressants (such as dosulepin) are the least effective type of antidepressant.
Atypical Depression: Symptoms and Treatment
Atypical depression is a subtype of major depressive disorder that is characterized by low mood with mood reactivity and a reversal of the typical features seen in depression. This includes hypersomnia, hyperphagia, weight gain, and libidinal increases. People with atypical depression tend to respond best to MAOIs, while their response to tricyclics is poor, and SSRIs perform somewhere in the middle.
The DSM-5 defines atypical depression as a subtype of major depressive disorder ‘with atypical features’, which includes mood reactivity, significant weight gain of increase in appetite, hypersomnia, leaden paralysis, and a long-standing pattern of interpersonal rejection sensitivity that results in significant social of occupational impairment. However, this subtype is not specifically recognized in ICD-11.
If you of someone you know is experiencing symptoms of atypical depression, it is important to seek professional help. Treatment options may include therapy, medication, of a combination of both. MAOIs may be the most effective medication for atypical depression, but it is important to work with a healthcare provider to determine the best course of treatment.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 7
Correct
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What is the term used by Freud to describe the process of discharging aggressive impulses?
Your Answer: Catharsis
Explanation:Aggression – Freud
According to Freud, aggression is a result of the primary instinct called thanatos, also known as the death instinct. He believed that every individual possesses this drive, which aims to cause complete destruction and death. Additionally, Freud proposed the existence of an opposing instinct called eros, which is the life instinct. He also introduced the concept of catharsis, which is a process of releasing libidinal energy and inducing a sense of calmness. This process occurs when we witness an aggressive act of engage in a mildly aggressive act.
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This question is part of the following fields:
- Psychotherapy
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Question 8
Correct
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Which of the following factors does not increase the risk of developing Alzheimer's disease?
Your Answer: Aluminium exposure
Explanation:In the 1960s and 1970s, there was a suspicion that aluminum could be a cause of Alzheimer’s disease. This led to concerns about exposure to aluminum in everyday items such as cooking pots, foil, beverage cans, antacids, and antiperspirants. However, subsequent studies have not found any evidence to support this theory. Today, most scientists are focused on other areas of research, and very few experts believe that everyday sources of aluminum are a risk factor for Alzheimer’s disease.
Alzheimer’s Association: Risk Factors
The Alzheimer’s Association has identified several risk factors for the development of Alzheimer’s disease. These include age, family history, head trauma (especially if associated with loss of consciousness), hypertension, heart disease, diabetes, CVA, high cholesterol, lower educational level, and female gender. Increasing age is a significant risk factor, as is having a family history of the disease. Head trauma, particularly if it results in loss of consciousness, can also increase the risk of developing Alzheimer’s. Other medical conditions such as hypertension, heart disease, and diabetes have also been linked to an increased risk of Alzheimer’s. Additionally, individuals with lower levels of education and females may be at higher risk. It is important to be aware of these risk factors and take steps to reduce them where possible.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 9
Correct
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A client is taking a consistent dose of 1000 mg of lithium which they are instructed to take once daily at 9 pm. They have a scheduled 3-monthly assessment of their levels. What would be the optimal time for the assessment to be conducted?
Your Answer: 9:00 am
Explanation:While 7am falls within the 10-14 hour range for taking lithium levels, it is not the preferred time as lithium is typically prescribed to be taken at night. Therefore, it is recommended to take the levels in the morning, 10-14 hours after the nighttime dose.
Lithium – Clinical Usage
Lithium is primarily used as a prophylactic agent for bipolar disorder, where it reduces the severity and number of relapses. It is also effective as an augmentation agent in unipolar depression and for treating aggressive and self-mutilating behavior, steroid-induced psychosis, and to raise WCC in people using clozapine.
Before prescribing lithium, renal, cardiac, and thyroid function should be checked, along with a Full Blood Count (FBC) and BMI. Women of childbearing age should be advised regarding contraception, and information about toxicity should be provided.
Once daily administration is preferred, and various preparations are available. Abrupt discontinuation of lithium increases the risk of relapse, and if lithium is to be discontinued, the dose should be reduced gradually over a period of at least 4 weeks.
Inadequate monitoring of patients taking lithium is common, and it is often an exam hot topic. Lithium salts have a narrow therapeutic/toxic ratio, and samples should ideally be taken 12 hours after the dose. The target range for prophylaxis is 0.6–0.75 mmol/L.
Risk factors for lithium toxicity include drugs altering renal function, decreased circulating volume, infections, fever, decreased oral intake of water, renal insufficiency, and nephrogenic diabetes insipidus. Features of lithium toxicity include GI and neuro symptoms.
The severity of toxicity can be assessed using the AMDISEN rating scale.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 10
Correct
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What is the classification of the prevention strategy being used for a group of children who are identified as at risk of self-harm due to factors such as parental divorce and academic attainment, and are referred to a support program to prevent self-harm?
Your Answer: Selective
Explanation:Prevention measures can be classified into different levels, depending on the stage at which they are implemented. The first model, developed in the 1960s, includes primary, secondary, and tertiary prevention. Primary prevention aims to intervene before a disease of problem begins, and can be universal (targeted to the general public), selective (targeted to a high-risk population), of indicated (targeted to individuals with minimal but detectable signs of a disorder). Secondary prevention aims to detect and treat disease that has not yet become symptomatic, while tertiary prevention involves the care of established disease.
A newer model, developed in 1992, focuses on prevention interventions used before the initial onset of a disorder. This model also includes three levels: universal prevention (targeted to the general population), selective prevention (targeted to a high-risk population), and indicated prevention (targeted to individuals with minimal but detectable signs of a disorder). Examples of prevention measures include cognitive interventions for adolescents with cognitive deficits to prevent the later phases of schizophrenia, screening procedures for early detection and treatment of disease, and the use of low-dose atypical antipsychotics and CBT for patients with prodromal symptoms of schizophrenia to delay of prevent disease onset.
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This question is part of the following fields:
- Organisation And Delivery Of Psychiatric Services
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Question 11
Correct
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Which of the following is characterised by fluent, empty speech?
Your Answer: Semantic dementia
Explanation:Frontotemporal Lobar Degeneration
Frontotemporal lobar degeneration (FTLD) is a group of neurodegenerative disorders that involve the atrophy of the frontal and temporal lobes. The disease is characterized by progressive dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. FTLD is the third most common form of dementia across all age groups and a leading type of early-onset dementia.
The disease has common features such as onset before 65, insidious onset, relatively preserved memory and visuospatial skills, personality change, and social conduct problems. There are three recognized subtypes of FTLD: behavioral-variant (bvFTD), language variant – primary progressive aphasia (PPA), and the language variant is further subdivided into semantic variant PPA (aka semantic dementia) and non-fluent agrammatic variant PPA (nfvPPA).
As the disease progresses, the symptoms of the three clinical variants can converge, as an initially focal degeneration becomes more diffuse and spreads to affect large regions in the frontal and temporal lobes. The key differences between the subtypes are summarized in the table provided. The bvFTD subtype is characterized by poor personal and social decorum, disinhibition, poor judgment and problem-solving, apathy, compulsive/perseverative behavior, hyperorality of dietary changes, and loss of empathy. The nfvPPA subtype is characterized by slow/slurred speech, decreased word output and phrase length, word-finding difficulties, apraxia of speech, and spared single-word comprehension. The svPPA subtype is characterized by intact speech fluency, word-finding difficulties (anomia), impaired single-word comprehension, repetitive speech, and reduced word comprehension.
In conclusion, FTLD is a progressive, heterogeneous, neurodegenerative disorder that affects the frontal and temporal lobes. The disease is characterized by dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. There are three recognized subtypes of FTLD, and as the disease progresses, the symptoms of the three clinical variants can converge.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 12
Correct
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How can the negative predictive value of a screening test be calculated accurately?
Your Answer: TN / (TN + FN)
Explanation:Clinical tests are used to determine the presence of absence of a disease of condition. To interpret test results, it is important to have a working knowledge of statistics used to describe them. Two by two tables are commonly used to calculate test statistics such as sensitivity and specificity. Sensitivity refers to the proportion of people with a condition that the test correctly identifies, while specificity refers to the proportion of people without a condition that the test correctly identifies. Accuracy tells us how closely a test measures to its true value, while predictive values help us understand the likelihood of having a disease based on a positive of negative test result. Likelihood ratios combine sensitivity and specificity into a single figure that can refine our estimation of the probability of a disease being present. Pre and post-test odds and probabilities can also be calculated to better understand the likelihood of having a disease before and after a test is carried out. Fagan’s nomogram is a useful tool for calculating post-test probabilities.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 13
Incorrect
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What is the estimated percentage of women who go through temporary periods of emotional instability after giving birth?
Your Answer: 20
Correct Answer: 40
Explanation:Perinatal Depression, Baby Blues, and Postpartum Depression
Perinatal depression, also known as postpartum depression, is a common mood disorder experienced by new mothers after childbirth. The term baby blues is used to describe the emotional lability that some mothers experience during the first week after childbirth, which usually resolves by day 10 without treatment. The prevalence of baby blues is around 40%. Postpartum depression, on the other hand, refers to depression that occurs after childbirth. While neither DSM-5 nor ICD-11 specifically mention postpartum depression, both diagnostic systems offer categories that encompass depression during pregnancy of in the weeks following delivery. The prevalence of postpartum depression is approximately 10-15%.
Various factors have been shown to increase the risk of postnatal depression, including youth, marital and family conflict, lack of social support, anxiety and depression during pregnancy, substance misuse, previous pregnancy loss, ambivalence about the current pregnancy, and frequent antenatal admissions to a maternity hospital. However, obstetric factors such as length of labor, assisted delivery, of separation of the mother from the baby in the Special Care Baby Unit do not seem to influence the development of postnatal depression. Additionally, social class does not appear to be associated with postnatal depression.
Puerperal psychosis, along with severe depression, is thought to be mainly caused by biological factors, while psychosocial factors are most important in the milder postnatal depressive illnesses.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 14
Incorrect
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A researcher wants to compare the mean age of two groups of participants who were randomly assigned to either a standard exercise program of a standard exercise program + new supplement. The data collected is parametric and continuous. What is the most appropriate statistical test to use?
Your Answer: Paired t test
Correct Answer: Unpaired t test
Explanation:The two sample unpaired t test is utilized to examine whether the null hypothesis that the two populations related to the two random samples are equivalent is true of not. When dealing with continuous data that is believed to conform to the normal distribution, a t test is suitable, making it appropriate for comparing weight loss between two groups. In contrast, a paired t test is used when the data is dependent, meaning there is a direct correlation between the values in the two samples. This could include the same subject being measured before and after a process change of at different times.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 15
Correct
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Which statement accurately describes alcohol withdrawal?
Your Answer: For hallucinations associated with delirium tremens, haloperidol is the preferred antipsychotic
Explanation:For individuals experiencing delirium tremens, the initial treatment option should be oral lorazepam. If symptoms persist of the individual declines oral medication, alternative options such as parenteral lorazepam of haloperidol should be offered, as recommended by NICE CG100.
Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 16
Incorrect
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How can the ICD-11 diagnosis of personality disorder with borderline pattern be identified?
Your Answer:
Correct Answer: Transient, psychotic-like features
Explanation:It is important to note that the question is asking for the option that is the most suggestive of a diagnosis of personality disorder with borderline pattern in the ICD-11. The correct answer is ‘transient, psychotic-like features’ as this is a qualifying element of the diagnosis. While the other options may also be present in individuals with this condition, they are not defining features.
Personality Disorder (Borderline)
History and Terminology
The term borderline personality disorder originated from early 20th-century theories that the disorder was on the border between neurosis and psychosis. The term borderline was coined by Adolph Stern in 1938. Subsequent attempts to define the condition include Otto Kernberg’s borderline personality organization, which identified key elements such as ego weakness, primitive defense mechanisms, identity diffusion, and unstable reality testing.
Features
The DSM-5 and ICD-11 both define borderline personality disorder as a pervasive pattern of instability in interpersonal relationships, self-image, and affects, and marked impulsivity. Symptoms include efforts to avoid abandonment, unstable relationships, impulsivity, suicidal behavior, affective instability, chronic feelings of emptiness, difficulty controlling temper, and transient dissociative symptoms.
Abuse
Childhood abuse and neglect are extremely common among borderline patients, with up to 87% having suffered some form of trauma. The effect of abuse seems to depend on the stage of psychological development at which it takes place.
comorbidity
Borderline PD patients are more likely to receive a diagnosis of major depressive disorder, bipolar disorder, panic disorder, PTSD, OCD, eating disorders, and somatoform disorders.
Psychological Therapy
Dialectical Behavioral Therapy (DBT), Mentalization-Based Treatment (MBT), Schema-Focused Therapy (SFT), and Transference-Focused Psychotherapy (TFP) are the main psychological treatments for BPD. DBT is the most well-known and widely available, while MBT focuses on improving mentalization, SFT generates structural changes to a patient’s personality, and TFP examines dysfunctional interpersonal dynamics that emerge in interactions with the therapist in the transference.
NICE Guidelines
The NICE guidelines on BPD offer very little recommendations. They do not recommend medication for treatment of the core symptoms. Regarding psychological therapies, they make reference to DBT and MBT being effective but add that the evidence base is too small to draw firm conclusions. They do specifically say Do not use brief psychotherapeutic interventions (of less than 3 months’ duration) specifically for borderline personality disorder of for the individual symptoms of the disorder.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 17
Incorrect
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What is a true statement about individuals with rapid cycling bipolar disorder?
Your Answer:
Correct Answer: It lasts less than 2 years in approximately 50% of patients
Explanation:If rapid cycling bipolar disorder occurs, propranolol should be discontinued as it is believed to be a contributing factor.
Bipolar Disorder Diagnosis
Bipolar and related disorders are mood disorders characterized by manic, mixed, of hypomanic episodes alternating with depressive episodes. The lifetime risk of suicide in individuals with bipolar disorder is estimated to be at least 15 times that of the general population. Under the ICD-11, there are three subtypes of bipolar disorder: Bipolar I, Bipolar II, and Cyclothymic disorder.
Bipolar I disorder is diagnosed when an individual has a history of at least one manic of mixed episode. The typical course of the disorder is characterized by recurrent depressive and manic of mixed episodes. Onset of the first mood episode most often occurs during the late teen years, but onset of bipolar type I can occur at any time through the life cycle. The lifetime prevalence of bipolar I disorder is estimated to be around 2.1%.
Bipolar II disorder is diagnosed when an individual has a history of at least one hypomanic episode and at least one depressive episode. The typical course of the disorder is characterized by recurrent depressive and hypomanic episodes. Onset of bipolar type II most often occurs during the mid-twenties. The number of lifetime episodes tends to be higher for bipolar II disorder than for major depressive disorder of bipolar I disorder.
Cyclothymic disorder is diagnosed when an individual experiences mood instability over an extended period of time characterized by numerous hypomanic and depressive periods. The symptoms are present for more days than not, and there is no history of manic or mixed episodes. The course of cyclothymic disorder is often gradual and persistent, and onset commonly occurs during adolescence of early adulthood.
Rapid cycling is not a subtype of bipolar disorder but instead is a qualifier. It is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode. Rapid cycling is associated with an increased risk of suicide and tends to be precipitated by stressors such as life events, alcohol abuse, use of antidepressants, and medical disorders.
Overall, the diagnosis of bipolar disorder requires careful evaluation of an individual’s symptoms and history. Treatment typically involves a combination of medication and psychotherapy.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 18
Incorrect
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Out of the options provided, which technique is the least commonly utilized in cognitive behavioural therapy?
Your Answer:
Correct Answer: Paradoxical Injunction
Explanation:The paradoxical injunction is a technique utilized to deter undesired actions by encouraging the individual to engage in the behavior in question. This method can be highly successful, but it also carries potential hazards and should only be employed in specific, well-considered situations. An example of this approach would be to suggest that an individual who frequently engages in self-harm should do so.
Cognitive Behavioural Therapy (CBT): Basic Principles
CBT is a form of psychotherapy that focuses on the relationship between thoughts, feelings, and behaviours. The central elements of CBT include collaborative empiricism, problem-orientated focus, short-term treatment for uncomplicated disorders, structured methods, psychoeducation, and homework.
Collaborative empiricism involves the therapist and client working together to identify and test the client’s beliefs and assumptions. The problem-orientated focus means that therapy is focused on specific problems of symptoms that the client is experiencing. CBT is typically a short-term treatment for uncomplicated disorders, with a focus on achieving measurable goals within a limited number of sessions.
Structured methods are used in CBT to help clients identify and challenge negative thoughts and behaviours. Psychoeducation involves teaching clients about the relationship between thoughts, feelings, and behaviours. Homework is often assigned to help clients practice new skills and reinforce what they have learned in therapy.
Cognitive methods used in CBT include Socratic questioning, guided discovery, examining the evidence, identifying cognitive errors, thought change records, generating rational alternatives, imagery, role play, and rehearsal. Behavioural methods used in CBT include activity and pleasant event scheduling, graded task assignments, exposure and response prevention, relaxation training, breathing training, and coping cards.
In summary, CBT is a structured, problem-focused, and collaborative approach to therapy that aims to help clients identify and challenge negative thoughts and behaviours. It is a short-term treatment that uses a range of cognitive and behavioural methods to achieve measurable goals.
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This question is part of the following fields:
- Psychotherapy
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Question 19
Incorrect
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What eye condition is frequently linked to Charles Bonnet syndrome?
Your Answer:
Correct Answer: Macular degeneration
Explanation:Macular degeneration is the sole condition among the options that typically results in notable visual impairment, which is often associated with Charles Bonnet syndrome.
Charles Bonnet Syndrome: A Condition of Complex Visual Hallucinations
Charles Bonnet Syndrome (CBS) is a condition characterized by persistent of recurrent complex visual hallucinations that occur in clear consciousness. This condition is observed in individuals who have suffered damage to the visual pathway, which can be caused by damage to any part of the pathway from the eye to the cortex. The hallucinations are thought to result from a release phenomenon secondary to the deafferentation of the cerebral cortex. CBS is equally distributed between sexes and does not show any familial predisposition. The most common ophthalmological conditions associated with this syndrome are age-related macular degeneration, followed by glaucoma and cataract.
Risk factors for CBS include advanced age, peripheral visual impairment, social isolation, sensory deprivation, and early cognitive impairment. Well-formed complex visual hallucinations are thought to occur in 10-30 percent of individuals with severe visual impairment. Only around a third of individuals find the hallucinations themselves an unpleasant or disturbing experience. The most effective treatment is reversal of the visual impairment. Antipsychotic drugs are commonly prescribed but are largely ineffective. CBS is a long-lasting condition, with 88% of individuals experiencing it for two years of more, and only 25% resolving at nine years.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 20
Incorrect
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What is the most accurate approximation of how many children have attention deficit hyperactivity disorder?
Your Answer:
Correct Answer: 5%
Explanation:ADHD (Diagnosis and Management in Children)
ADHD is a behavioural syndrome characterised by symptoms of inattention, hyperactivity, and impulsivity. The DSM-5 and ICD-11 provide diagnostic criteria for the condition, with both recognising three subtypes: predominantly inattentive, predominantly hyperactive-impulsive, and combined.
Treatment for children under 5 involves offering an ADHD-focused group parent-training programme as a first-line option. Medication should only be considered after obtaining advice from a specialist ADHD service. For children and young people aged 5-18, advice and support should be given, along with an ADHD-focused group parent-training programme. Medication should only be offered if ADHD symptoms persist after environmental modifications have been implemented and reviewed. Cognitive behavioural therapy may also be considered for those who have benefited from medication but still experience significant impairment.
NICE advises against elimination diets, dietary fatty acid supplementation, and the use of the ‘few foods diet’. Methylphenidate of lisdexamfetamine is the first-line medication option, with dexamphetamine considered for those who respond to lisdexamfetamine but cannot tolerate the longer effect profile. Atomoxetine of guanfacine may be offered for those who cannot tolerate methylphenidate of lisdexamfetamine. Clonidine and atypical antipsychotics should only be used with advice from a tertiary ADHD service.
Drug holidays may be considered for children and young people who have not met the expected height for their age due to medication. However, NICE advises that withdrawal from treatment is associated with a risk of symptom exacerbation.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 21
Incorrect
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A 45-year-old female is referred to you by her primary care physician. She recently experienced a traumatic event and has been crying frequently in response to minor triggers. On your assessment, you do not find any evidence of depression, anxiety, of suicidal ideation, but note that the patient started crying several times during the hour you spent with her. Which antidepressant medication would you consider prescribing in this situation?
Your Answer:
Correct Answer: Citalopram
Explanation:The patient has been diagnosed with post-stroke pathological crying, a condition characterized by episodes of crying triggered by minor stimuli without any accompanying changes in mood. This condition is associated with disrupted serotonergic neurotransmission. Treatment options include the use of antidepressants, with SSRIs being the preferred choice over venlafaxine and tricyclics due to their better tolerability and greater efficacy.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 22
Incorrect
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What is the most appropriate approach to handling a situation where a man discloses a dream about sexually abusing his daughter during a session of psychodynamic psychotherapy?
Your Answer:
Correct Answer: Ask him to elaborate on the dream
Explanation:The abstract meanings from the unconscious mind are represented in people’s dreams, which can provide important therapeutic information when patients are asked to reflect on their own understanding of their dreams.
As an AI language model, I do not have personal opinions of beliefs. However, I can provide a summary of the information presented in the text. The text discusses different models of dream interpretation in psychodynamic therapy, including Freudian interpretation, compensatory theory, content analysis, the Five Star Method, and the cognitive-experiential model. Each model has its own approach to understanding the meaning of dreams, with some focusing on unconscious desires and motivations, while others emphasize personal experiences and attitudes. The text provides an overview of each model and their key assumptions and techniques.
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This question is part of the following fields:
- Psychotherapy
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Question 23
Incorrect
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What is the defining characteristic of delirium?
Your Answer:
Correct Answer: Impairment of consciousness
Explanation:Delirium is primarily characterized by a disturbance in consciousness, often accompanied by a widespread decline in cognitive abilities. Other common symptoms include changes in mood, perception, behavior, and motor function, such as tremors and nystagmus. This information is based on Kaplan and Sadock’s concise textbook of psychiatry, 10th edition, published in 2008.
Delirium (also known as acute confusional state) is a condition characterized by a sudden decline in consciousness and cognition, with a particular impairment in attention. It often involves perceptual disturbances, abnormal psychomotor activity, and sleep-wake cycle impairment. Delirium typically develops over a few days and has a fluctuating course. The causes of delirium are varied, ranging from metabolic disturbances to medications. It is important to differentiate delirium from dementia, as delirium has a brief onset, early disorientation, clouding of consciousness, fluctuating course, and early psychomotor changes. Delirium can be classified into three subtypes: hypoactive, hyperactive, and mixed. Patients with hyperactive delirium demonstrate restlessness, agitation, and hyper vigilance, while those with hypoactive delirium present with lethargy and sedation. Mixed delirium demonstrates both hyperactive and hypoactive features. The hypoactive form is most common in elderly patients and is often misdiagnosed as depression of dementia.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 24
Incorrect
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You are providing oral testimony in Court in the case of a 30-year-old patient with a mixed personality disorder (with emotionally unstable and dissocial features) and co-occurring substance misuse (opiate dependence). The patient has been found guilty of Grievous Bodily Harm following a violent assault during a burglary, presumably to fund drug use.
The patient is well-known to local psychiatric services and has had multiple brief admissions in the past after parasuicidal behavior. The patient has been detained in the local Medium Secure Unit for 12 months under section 38 of the Mental Health Act for assessment of his treatability in hospital. The patient has engaged with treatment, although there are concerns among the clinical team that this engagement is superficial and the patient may be using the hospital system to avoid receiving a custodial sentence.
Based on this information, what would be the most appropriate medical recommendation for sentencing?Your Answer:
Correct Answer: Section 45a of the Mental Health Act
Explanation:Section 45a of the Mental Health Act allows for a Hybrid Order, which combines both a Mental Health and Criminal Justice component to a sentence. This means that the offender would receive treatment in a hospital initially, but would also be given a prison sentence. Once the treatment is complete, the offender would return to prison to serve the remaining time.
Extending the offender’s section 38 assessment in hospital post-conviction is not possible as it can only last for a maximum of one year.
The most appropriate sentencing option could be Section 37/41, which is a Hospital Order with Restrictions. However, it is uncertain if the offender is treatable as there seems to be little connection between his mental disorder and offending behavior.
Section 47/49 is for the transfer of sentenced prisoners and is not applicable in this case.
No hospital disposal is also an option, but the offender has responded well to treatment and has a mental disorder, which makes him suitable for disposal under the Mental Health Act, even if he does not have a mental illness.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 25
Incorrect
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Who was the originator of client-centred therapy?
Your Answer:
Correct Answer: Carl Rogers
Explanation:Critics argue that client-centred therapy may not provide enough structure, but its goal is to empower patients to discover their own solutions to their problems.
Fonagy and Bateman – Mentalisation-Based Treatment
Mentalisation-Based Treatment (MBT) was developed by Peter Fonagy and Anthony Bateman in the 1990s. It is a psychodynamic therapy that focuses on improving the patient’s ability to mentalise, which is the capacity to understand one’s own and others’ mental states. MBT is primarily used to treat borderline personality disorder, but it has also been used to treat other mental health conditions.
Fonagy and Bateman work on MBT was influenced by their research on attachment theory and the importance of early relationships in shaping mentalisation abilities. They believed that individuals with borderline personality disorder have difficulties with mentalisation due to early attachment disruptions, and that MBT could help them develop more stable and secure relationships.
MBT is typically delivered in a group of individual format, and it involves a combination of psychoeducation, cognitive-behavioral techniques, and psychodynamic interventions. The therapist helps the patient to identify and reflect on their thoughts, feelings, and behaviors, and to understand how these are influenced by their past experiences and relationships. The therapist also helps the patient to develop more adaptive coping strategies and to improve their interpersonal skills.
Overall, Fonagy and Bateman work on MBT has contributed to the development of psychodynamic therapies that are more focused on specific treatment goals and evidence-based practices.
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This question is part of the following fields:
- Psychotherapy
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Question 26
Incorrect
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Which illegal drug is commonly referred to as pot?
Your Answer:
Correct Answer: Cannabis
Explanation:Cannabis, also known as marijuana, grass, pot, weed, tea, of Mary Jane, is a plant that contains over 60 unique cannabinoids. The primary psychoactive component of cannabis is delta-9-tetrahydrocannabinol (Delta 9-THC), which is rapidly converted into 11-hydroxy-delta 9-THC, the active metabolite in the central nervous system. Specific cannabinoid receptors, including CB1 and CB2 receptors, have been identified in the body. CB1 receptors are found mainly at nerve terminals, where they inhibit transmitter release, while CB2 receptors occur mainly on immune cells and modulate cytokine release. The cannabinoid receptor is found in highest concentrations in the basal ganglia, hippocampus, and cerebellum, with lower concentrations in the cerebral cortex. Cannabis use has been associated with the amotivational syndrome, characterized by apathy, anergy, weight gain, and a lack of persistence in tasks requiring prolonged attention of tenacity.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 27
Incorrect
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A client is referred with depression and is eager to begin medication. You find out that they have hypertension. What would be the most suitable treatment option?
Your Answer:
Correct Answer: Fluoxetine
Explanation:Antidepressants and Diabetes
Depression is a prevalent condition among patients with diabetes. It is crucial to select the appropriate antidepressant as some may have negative effects on weight and glucose levels. The first-line treatment for depression in diabetic patients is selective serotonin reuptake inhibitors (SSRIs), with fluoxetine having the most supporting data. Serotonin-norepinephrine reuptake inhibitors (SNRIs) are also likely to be safe, but there is less evidence to support their use. Tricyclic antidepressants (TCAs) and monoamine oxidase inhibitors (MAOIs) should be avoided. These recommendations are based on the Maudsley Guidelines 10th Edition.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 28
Incorrect
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What is a true statement about diagnosing autism spectrum disorder?
Your Answer:
Correct Answer: Symptoms must be present in the early developmental period to qualify for a DSM-5 diagnosis
Explanation:The DSM-5 states that symptoms of ASD must be present in the early developmental period, although they may not be fully apparent until social demands exceed limited capacities of are masked by learned strategies later in life. Typically, symptoms are recognized between 12-24 months of age, but may be observed earlier if developmental delays are severe of later if symptoms are more subtle. While individuals with ASD may have formal language skills such as vocabulary and grammar, their ability to use language for reciprocal social communication must be impaired in order to meet diagnostic criteria.
Autism Spectrum Disorder (ASD) is a lifelong disorder characterized by deficits in communication and social understanding, as well as restrictive and repetitive behaviors. The distinction between autism and Asperger’s has been abandoned, and they are now grouped together under the ASD category. Intellectual ability is difficult to assess in people with ASD, with an estimated 33% having an intellectual disability. ASD was first described in Europe and the United States using different terms, with Leo Kanner and Hans Asperger being the pioneers. Diagnosis is based on persistent deficits in social communication and social interaction, as well as restricted, repetitive patterns of behavior. The worldwide population prevalence is about 1%, with comorbidity being common. Heritability is estimated at around 90%, and both genetic and environmental factors seem to cause ASD. Currently, there are no validated pharmacological treatments that alleviate core ASD symptoms, but second-generation antipsychotics are the first-line pharmacological treatment for children and adolescents with ASD and associated irritability.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 29
Incorrect
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Which of the following is cognitive distortion?
Your Answer:
Correct Answer: Personalisation
Explanation:Personalisation can be considered a type of cognitive distortion, while the other options are classified as defence mechanisms.
Cognitive Therapy and Negative Automatic Thoughts
Cognitive therapy is a present-focused approach that aims to help clients overcome difficulties by identifying and changing dysfunctional thinking. This therapy is based on collaboration between the client and therapist and on testing beliefs through collaborative empiricism. One of the techniques used in cognitive therapy is Socratic questioning, which helps elicit false beliefs called negative automatic thoughts.
Negative automatic thoughts, also known as cognitive distortions, can be categorized into different types. Dichotomous thinking is the tendency to see things as black and white rather than shades of grey. Personalization is the incorrect assumption that things happen due to us, while overgeneralization involves coming to a general conclusion based on a single piece of evidence. Arbitrary inference is drawing an unjustified conclusion, while selective abstraction involves concentrating on the negative while ignoring the positives. Catastrophizing is expecting disaster from relatively trivial events, while filtering involves selecting out only negative aspects of a situation and leaving out the positive.
Control fallacies involve believing that we are responsible for everything (internal control fallacy) of nothing (external control fallacy). The fallacy of fairness is believing that life is fair, while blaming involves holding others responsible for our distress. Shoulds are preconceived rules we believe (often incorrect) which makes us angry when others don’t obey them. Magnification is a tendency to exaggerate the importance of negative information of experiences, while trivializing of reducing the significance of positive information of experiences. Minimization involves an undervaluation of positive attributes, while emotional reasoning is believing what we feel must be true.
The fallacy of change involves expecting others to change just because it suits us, while global labeling involves exaggerating and labeling behavior (e.g. when you fail at something, saying ‘I’m a loser’). Always being right is when the need to be right dominates all other needs, while the heaven’s reward fallacy involves expecting our sacrifices will pay off. Finally, magical thinking is incorrectly believing that our actions influence the outcomes.
Overall, cognitive therapy helps individuals identify and challenge negative automatic thoughts to improve their mental health and well-being.
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This question is part of the following fields:
- Psychotherapy
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Question 30
Incorrect
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You are asked to evaluate a 35 year-old man on the medical ward with HIV. He has just recuperated from an episode of mania and has a history of bipolar disorder. You observe that he recently visited the HIV specialist in clinic and had an eGFR of 45. What would be the most suitable medication for the extended management of this man's bipolar disorder?
Your Answer:
Correct Answer: Valproate
Explanation:The individual has bipolar disorder and needs ongoing treatment. The recommended initial medications are Lithium and Valproate. However, due to the person’s eGFR of 45, which indicates stage 3a CKD, Lithium is not a viable option. It is important to note that an eGFR < 90 in a working age adult is a strong indication of renal impairment, although a detailed understanding of CKD is not necessary for the MRCPsych exams. Therefore, Valproate is the preferred treatment in this case. HIV and Mental Health: Understanding the Relationship and Treatment Options Human immunodeficiency virus (HIV) is a blood-borne virus that causes cellular immune deficiency, resulting in a decrease in the number of CD4+ T-cells. People with severe mental illness are at increased risk of contracting and transmitting HIV, and the prevalence of HIV infection among them is higher than in the general population. Antiretroviral drugs are used to manage HIV, but they are not curative. Depression is the most common mental disorder in the HIV population, and it can result from HIV of the psycho-social consequences of having the condition. HIV-associated neurocognitive disorder (HAND) is the umbrella term for the spectrum of neurocognitive impairment induced by HIV, ranging from mild impairment through to dementia. Poor episodic memory is the most frequently reported cognitive difficulty in HIV-positive individuals. Treatment options for mental health issues in people with HIV include atypical antipsychotics for psychosis, SSRIs for depression and anxiety, valproate for bipolar disorder, and antiretroviral therapy for HAND. It is important to avoid benzodiazepines for delirium and MAOIs for depression. Understanding the relationship between HIV and mental health and providing appropriate treatment options can improve the quality of life for people living with HIV.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 31
Incorrect
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Question 32
Incorrect
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What is the most effective way to distinguish between dementia and delirium?
Your Answer:
Correct Answer: Fluctuating consciousness
Explanation:The primary distinction between delirium and dementia is the variability of consciousness levels.
Delirium (also known as acute confusional state) is a condition characterized by a sudden decline in consciousness and cognition, with a particular impairment in attention. It often involves perceptual disturbances, abnormal psychomotor activity, and sleep-wake cycle impairment. Delirium typically develops over a few days and has a fluctuating course. The causes of delirium are varied, ranging from metabolic disturbances to medications. It is important to differentiate delirium from dementia, as delirium has a brief onset, early disorientation, clouding of consciousness, fluctuating course, and early psychomotor changes. Delirium can be classified into three subtypes: hypoactive, hyperactive, and mixed. Patients with hyperactive delirium demonstrate restlessness, agitation, and hyper vigilance, while those with hypoactive delirium present with lethargy and sedation. Mixed delirium demonstrates both hyperactive and hypoactive features. The hypoactive form is most common in elderly patients and is often misdiagnosed as depression of dementia.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 33
Incorrect
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A study of 30 patients with hypertension compares the effectiveness of a new blood pressure medication with standard treatment. 80% of the new treatment group achieved target blood pressure levels at 6 weeks, compared with only 40% of the standard treatment group. What is the number needed to treat for the new treatment?
Your Answer:
Correct Answer: 3
Explanation:To calculate the Number Needed to Treat (NNT), we first need to find the Absolute Risk Reduction (ARR), which is calculated by subtracting the Control Event Rate (CER) from the Experimental Event Rate (EER).
Given that CER is 0.4 and EER is 0.8, we can calculate ARR as follows:
ARR = CER – EER
= 0.4 – 0.8
= -0.4Since the ARR is negative, this means that the treatment actually increases the risk of the event occurring. Therefore, we cannot calculate the NNT in this case.
Measures of Effect in Clinical Studies
When conducting clinical studies, we often want to know the effect of treatments of exposures on health outcomes. Measures of effect are used in randomized controlled trials (RCTs) and include the odds ratio (of), risk ratio (RR), risk difference (RD), and number needed to treat (NNT). Dichotomous (binary) outcome data are common in clinical trials, where the outcome for each participant is one of two possibilities, such as dead of alive, of clinical improvement of no improvement.
To understand the difference between of and RR, it’s important to know the difference between risks and odds. Risk is a proportion that describes the probability of a health outcome occurring, while odds is a ratio that compares the probability of an event occurring to the probability of it not occurring. Absolute risk is the basic risk, while risk difference is the difference between the absolute risk of an event in the intervention group and the absolute risk in the control group. Relative risk is the ratio of risk in the intervention group to the risk in the control group.
The number needed to treat (NNT) is the number of patients who need to be treated for one to benefit. Odds are calculated by dividing the number of times an event happens by the number of times it does not happen. The odds ratio is the odds of an outcome given a particular exposure versus the odds of an outcome in the absence of the exposure. It is commonly used in case-control studies and can also be used in cross-sectional and cohort study designs. An odds ratio of 1 indicates no difference in risk between the two groups, while an odds ratio >1 indicates an increased risk and an odds ratio <1 indicates a reduced risk.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 34
Incorrect
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What topics do the STARD guidelines provide recommendations for?
Your Answer:
Correct Answer: Studies of diagnostic accuracy
Explanation:The aim of the STARD initiative is to enhance the precision and comprehensiveness of reporting diagnostic accuracy studies, enabling readers to evaluate the study’s potential for bias (internal validity) and generalizability (external validity). The STARD statement comprises a checklist of 25 items and suggests utilizing a flow diagram that outlines the study’s design and patient flow.
As an AI language model, I do not have personal opinions of beliefs. However, I can provide information and guidance on the standards of reporting for different types of research studies. The guidelines mentioned above are essential for ensuring that research studies are reported accurately and transparently, which is crucial for the scientific community to evaluate and replicate the findings. It is important for researchers to be familiar with these standards and follow them when reporting their studies to ensure the quality and integrity of their research.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 35
Incorrect
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What is the accurate formula for determining the pre-test odds?
Your Answer:
Correct Answer: Pre-test probability/ (1 - pre-test probability)
Explanation:Clinical tests are used to determine the presence of absence of a disease of condition. To interpret test results, it is important to have a working knowledge of statistics used to describe them. Two by two tables are commonly used to calculate test statistics such as sensitivity and specificity. Sensitivity refers to the proportion of people with a condition that the test correctly identifies, while specificity refers to the proportion of people without a condition that the test correctly identifies. Accuracy tells us how closely a test measures to its true value, while predictive values help us understand the likelihood of having a disease based on a positive of negative test result. Likelihood ratios combine sensitivity and specificity into a single figure that can refine our estimation of the probability of a disease being present. Pre and post-test odds and probabilities can also be calculated to better understand the likelihood of having a disease before and after a test is carried out. Fagan’s nomogram is a useful tool for calculating post-test probabilities.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 36
Incorrect
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The QALY is utilized in which of the following approaches for economic assessment?
Your Answer:
Correct Answer: Cost-utility analysis
Explanation:Methods of Economic Evaluation
There are four main methods of economic evaluation: cost-effectiveness analysis (CEA), cost-benefit analysis (CBA), cost-utility analysis (CUA), and cost-minimisation analysis (CMA). While all four methods capture costs, they differ in how they assess health effects.
Cost-effectiveness analysis (CEA) compares interventions by relating costs to a single clinical measure of effectiveness, such as symptom reduction of improvement in activities of daily living. The cost-effectiveness ratio is calculated as total cost divided by units of effectiveness. CEA is typically used when CBA cannot be performed due to the inability to monetise benefits.
Cost-benefit analysis (CBA) measures all costs and benefits of an intervention in monetary terms to establish which alternative has the greatest net benefit. CBA requires that all consequences of an intervention, such as life-years saved, treatment side-effects, symptom relief, disability, pain, and discomfort, are allocated a monetary value. CBA is rarely used in mental health service evaluation due to the difficulty in converting benefits from mental health programmes into monetary values.
Cost-utility analysis (CUA) is a special form of CEA in which health benefits/outcomes are measured in broader, more generic ways, enabling comparisons between treatments for different diseases and conditions. Multidimensional health outcomes are measured by a single preference- of utility-based index such as the Quality-Adjusted-Life-Years (QALY). QALYs are a composite measure of gains in life expectancy and health-related quality of life. CUA allows for comparisons across treatments for different conditions.
Cost-minimisation analysis (CMA) is an economic evaluation in which the consequences of competing interventions are the same, and only inputs, i.e. costs, are taken into consideration. The aim is to decide the least costly way of achieving the same outcome.
Costs in Economic Evaluation Studies
There are three main types of costs in economic evaluation studies: direct, indirect, and intangible. Direct costs are associated directly with the healthcare intervention, such as staff time, medical supplies, cost of travel for the patient, childcare costs for the patient, and costs falling on other social sectors such as domestic help from social services. Indirect costs are incurred by the reduced productivity of the patient, such as time off work, reduced work productivity, and time spent caring for the patient by relatives. Intangible costs are difficult to measure, such as pain of suffering on the part of the patient.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 37
Incorrect
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What is a true statement about eating disorders?
Your Answer:
Correct Answer: Psychological treatments for binge eating disorder have a limited effect on body weight
Explanation:The 2017 NICE Guidelines advise clinicians to inform individuals with binge eating disorder that psychological treatments focused on addressing binge eating may not have a significant impact on body weight and that weight loss is not the primary goal of therapy. However, it is important to clarify that while CBT-ED does not specifically target weight loss, it can lead to weight reduction in the long run by addressing binge eating behaviors.
Eating Disorders: NICE Guidelines
Anorexia:
For adults with anorexia nervosa, consider individual eating-disorder-focused cognitive behavioural therapy (CBT-ED), Maudsley Anorexia Nervosa Treatment for Adults (MANTRA), of specialist supportive clinical management (SSCM). If these are not acceptable, contraindicated, of ineffective, consider eating-disorder-focused focal psychodynamic therapy (FPT). For children and young people, consider anorexia-nervosa-focused family therapy (FT-AN) of individual CBT-ED. Do not offer medication as the sole treatment.Bulimia:
For adults, the first step is an evidence-based self-help programme. If this is not effective, consider individual CBT-ED. For children and young people, offer bulimia-nervosa-focused family therapy (FT-BN) of individual CBT-ED. Do not offer medication as the sole treatment.Binge Eating Disorder:
The first step is a guided self-help programme. If this is not effective, offer group of individual CBT-ED. For children and young people, offer the same treatments recommended for adults. Do not offer medication as the sole treatment.Advice for those with eating disorders:
Encourage people with an eating disorder who are vomiting to avoid brushing teeth immediately after vomiting, rinse with non-acid mouthwash, and avoid highly acidic foods and drinks. Advise against misusing laxatives of diuretics and excessive exercise.Additional points:
Do not offer physical therapy as part of treatment. Consider bone mineral density scans after 1 year of underweight in children and young people, of 2 years in adults. Do not routinely offer oral of transdermal oestrogen therapy to treat low bone mineral density in children of young people with anorexia nervosa. Consider transdermal 17-β-estradiol of bisphosphonates for women with anorexia nervosa.Note: These guidelines are taken from NICE guidelines 2017.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 38
Incorrect
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Which option is not a type of descriptive statistic?
Your Answer:
Correct Answer: Student's t-test
Explanation:A t-test is a statistical method used to determine if there is a significant difference between the means of two groups. It is a type of statistical inference.
Types of Statistics: Descriptive and Inferential
Statistics can be divided into two categories: descriptive and inferential. Descriptive statistics are used to describe and summarize data without making any generalizations beyond the data at hand. On the other hand, inferential statistics are used to make inferences about a population based on sample data.
Descriptive statistics are useful for identifying patterns and trends in data. Common measures used to describe a data set include measures of central tendency (such as the mean, median, and mode) and measures of variability of dispersion (such as the standard deviation of variance).
Inferential statistics, on the other hand, are used to make predictions of draw conclusions about a population based on sample data. These statistics are also used to determine the probability that observed differences between groups are reliable and not due to chance.
Overall, both descriptive and inferential statistics play important roles in analyzing and interpreting data. Descriptive statistics help us understand the characteristics of a data set, while inferential statistics allow us to make predictions and draw conclusions about larger populations.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 39
Incorrect
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What is an accurate statement about systemic family therapy?
Your Answer:
Correct Answer: It is also known as 'Milan therapy'
Explanation:Milan therapy, also known as systemic family therapy, is a type of therapeutic approach used to address family issues and dynamics.
Family Therapy Models
Family therapy emerged in the 1950s, shifting the focus from individual problems to the context of the environment. There are five main models of family therapy: structural, strategic, systemic, transgenerational, and solution-focused.
Structural therapy, developed by Salvador Minuchin, assumes that the family’s structure is wrong and aims to establish clear boundaries and no coalitions. Dysfunctional families are marked by impaired boundaries, inappropriate alignments, and power imbalances.
Strategic therapy, associated with Jay Haley and Cloe Madanes, claims that difficulties in families arise due to distorted hierarchies. Dysfunctional families communicate in problematic repetitive patterns that kept them dysfunctional. Key terms include task setting and goal setting.
Systemic therapy, associated with Mara Selvini-Palazzoli, sees the family as a self-regulating system that controls itself according to rules formed over time. The focus is on exploring differences between family members’ behaviors, emotional responses, and beliefs at different points in time. Key terms include hypothesizing, neutrality, positive connotation, paradox and counterparadox, circular and interventive questioning, and the use of reflecting teams.
Transgenerational family therapy aims to understand how families, across generations, develop patterns of behaving and responding to stress in ways that prevent health development and lead to problems. Seven interlocking concepts make up the theory.
Solution-focused therapy emphasizes solutions over problems and collaborates with the family through in-depth questioning to focus on the solutions already being used by the clients. The therapist is non-interventionist, and the focus is on the present and the future. Blame, shame, and conflict are seen as issues that impede people from realizing these solutions.
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This question is part of the following fields:
- Psychotherapy
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Question 40
Incorrect
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Can you rephrase the question to ask for a definition of macrosomia?
Your Answer:
Correct Answer: Macrosomia
Explanation:Risks to Children of Mothers with Eating Disorders
Children of mothers with eating disorders are at risk of various complications, including premature birth, increased perinatal mortality, cleft lip and cleft palate, epilepsy, developmental delays, abnormal growth, food fussiness, feeding difficulties, low birth weight, microcephaly, and low APGAR scores. Previous exam questions have focused on low APGAR scores.
Eating disorders in pregnancy can also lead to associated complications, such as inadequate of excessive weight gain, hyperemesis gravidarum, hypotension (in anorexia) of hypertension (in bulimia), syncope/presyncope from cardiac arrhythmias and electrolyte disturbances, anemia (in anorexia), pregnancy termination (spontaneous of therapeutic), small for term infant, stillbirth, breech pregnancy, pre-eclampsia, cesarean section, post-episiotomy suture tearing, vaginal bleeding, increased rate of perinatal difficulties, postpartum depression risk, cardiac changes, and refeeding syndrome (occurs primarily in patients who are aggressively refed).
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This question is part of the following fields:
- General Adult Psychiatry
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Question 41
Incorrect
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What is the term used to describe the percentage of a population's disease that would be eradicated if their disease rate was lowered to that of the unexposed group?
Your Answer:
Correct Answer: Attributable proportion
Explanation:Disease Rates and Their Interpretation
Disease rates are a measure of the occurrence of a disease in a population. They are used to establish causation, monitor interventions, and measure the impact of exposure on disease rates. The attributable risk is the difference in the rate of disease between the exposed and unexposed groups. It tells us what proportion of deaths in the exposed group were due to the exposure. The relative risk is the risk of an event relative to exposure. It is calculated by dividing the rate of disease in the exposed group by the rate of disease in the unexposed group. A relative risk of 1 means there is no difference between the two groups. A relative risk of <1 means that the event is less likely to occur in the exposed group, while a relative risk of >1 means that the event is more likely to occur in the exposed group. The population attributable risk is the reduction in incidence that would be observed if the population were entirely unexposed. It can be calculated by multiplying the attributable risk by the prevalence of exposure in the population. The attributable proportion is the proportion of the disease that would be eliminated in a population if its disease rate were reduced to that of the unexposed group.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 42
Incorrect
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Which of the following methods is most effective in eliminating of managing confounding factors?
Your Answer:
Correct Answer: Randomisation
Explanation:The most effective way to eliminate of manage potential confounding factors is to randomize a large enough sample size. This approach addresses all potential confounders, regardless of whether they were measured in the study design. Matching involves pairing individuals who received a treatment of intervention with non-treated individuals who have similar observable characteristics. Post-hoc methods, such as stratification, regression analysis, and analysis of variance, can be used to evaluate the impact of known or suspected confounders.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 43
Incorrect
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You receive a call from a doctor in the emergency department regarding a middle-aged female patient with a history of depression under psychiatric care who has presented with a gastrointestinal bleed. The doctor is inquiring about the potential contribution of any medications to the bleed. Which medication would you consider as the most likely culprit?
Your Answer:
Correct Answer: Fluoxetine
Explanation:SSRI and Bleeding Risk: Management Strategies
SSRIs have been linked to an increased risk of bleeding, particularly in vulnerable populations such as the elderly, those with a history of bleeding, and those taking medications that predispose them to bleeding. The risk of bleeding is further elevated in patients with comorbidities such as liver of renal disease, smoking, and alcohol of drug misuse.
To manage this risk, the Maudsley recommends avoiding SSRIs in patients receiving NSAIDs, aspirin, of oral anticoagulants, of those with a history of cerebral of GI bleeds. If SSRI use cannot be avoided, close monitoring and prescription of gastroprotective proton pump inhibitors are recommended. The degree of serotonin reuptake inhibition varies among antidepressants, with some having weaker of no inhibition, which may be associated with a lower risk of bleeding.
NICE recommends caution when using SSRIs in patients taking aspirin and suggests considering alternative antidepressants such as trazodone, mianserin, of reboxetine. In patients taking warfarin of heparin, SSRIs are not recommended, but mirtazapine may be considered with caution.
Overall, healthcare providers should carefully weigh the risks and benefits of SSRI use in patients at risk of bleeding and consider alternative antidepressants of gastroprotective measures when appropriate.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 44
Incorrect
-
A 28 year old lady develops acute mania. You take a history which is consistent with bipolar disorder. Which of the following would be the most appropriate treatment?:
Your Answer:
Correct Answer: Quetiapine
Explanation:The recommended initial treatment for acute mania is antipsychotics.
Bipolar Disorder: Diagnosis and Management
Bipolar disorder is a lifelong condition characterized by episodes of mania or hypomania and episodes of depressed mood. The peak age of onset is 15-19 years, and the lifetime prevalence of bipolar I disorders is estimated to be around 2.1%. The diagnosis of bipolar disorder is based on the presence of manic or hypomanic episodes, which are characterized by elevated of expansive mood, rapid speech, and increased activity of energy. Psychotic symptoms, such as delusions and hallucinations, may also be present.
Bipolar depression differs from unipolar depression in several ways, including more rapid onset, more frequent episodes, and shorter duration. Rapid cycling is a qualifier that can be applied to bipolar I of bipolar II disorder and is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode.
The management of bipolar disorder involves acute and long-term interventions. Acute management of mania or hypomania may involve stopping antidepressants and offering antipsychotics of mood stabilizers. Long-term management may involve psychological interventions and pharmacological treatments such as lithium, valproate, of olanzapine.
It is important to note that valproate should not be offered to women of girls of childbearing potential for long-term bipolar disorder unless other options are ineffective of not tolerated and a pregnancy prevention program is in place. Aripiprazole is recommended as an option for treating moderate to severe manic episodes in adolescents with bipolar I disorder.
Overall, the diagnosis and management of bipolar disorder require a comprehensive approach that takes into account the individual’s symptoms, history, and preferences.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 45
Incorrect
-
A 30 year old man is referred to a psychiatrist by his GP who is concerned that he had had some memory loss. He attends with his wife who tells you that she has noticed that her husband has recently become quite clumsy and quick to temper. Select the most likely diagnosis.
Huntington's disease
77%
Vascular dementia
2%
CADSIL
12%
Parkinson's disease
2%
Binswanger's disease
7%
Previous Exam Question
The young age of the man makes a diagnosis of Parkinson's, frontotemporal dementia and vascular dementia unlikely. Both CADSIL and Huntington's tend to present in the fourth decade. CADSIL generally presents with stroke, memory impairment, migraine, and severe mood disturbances. The man's motor impairment (clumsiness), along with emotional disturbance, and memory problems all point to a diagnosis of Huntington's disease.Your Answer:
Correct Answer: Huntington's disease
Explanation:Given the man’s young age, it is unlikely that he has Parkinson’s, frontotemporal dementia, of vascular dementia. Additionally, both CADSIL and Huntington’s disease typically manifest in the fourth decade of life. However, CADSIL is characterized by stroke, severe mood disturbances, memory impairment, and migraines, while Huntington’s disease is marked by motor impairment (clumsiness), emotional disturbance, and memory problems. Based on these symptoms, it is more likely that the man has Huntington’s disease.
Psychiatric and Behavioural Symptoms of Huntington’s Disease
Huntington’s disease is a condition that affects individuals with a triad of symptoms, including motor, cognitive, and psychiatric symptoms. While the symptoms typically begin in the third and fourth decades of life, individuals with a high number of CAG repeats may experience symptoms before the age of 20, known as juvenile Huntington’s disease.
The psychiatric symptoms of Huntington’s disease can include depression, apathy, dementia, psychosis, anxiety, mania, sexual dysfunction, and even suicide. These symptoms can significantly impact an individual’s quality of life and require appropriate treatment. Advances in psychiatric treatment have been made to address these symptoms and improve the overall well-being of individuals with Huntington’s disease.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 46
Incorrect
-
What is the initial medication prescribed for a 9 year old boy with ADHD and no other medical conditions?
Your Answer:
Correct Answer: Methylphenidate
Explanation:ADHD (Diagnosis and Management in Children)
ADHD is a behavioural syndrome characterised by symptoms of inattention, hyperactivity, and impulsivity. The DSM-5 and ICD-11 provide diagnostic criteria for the condition, with both recognising three subtypes: predominantly inattentive, predominantly hyperactive-impulsive, and combined.
Treatment for children under 5 involves offering an ADHD-focused group parent-training programme as a first-line option. Medication should only be considered after obtaining advice from a specialist ADHD service. For children and young people aged 5-18, advice and support should be given, along with an ADHD-focused group parent-training programme. Medication should only be offered if ADHD symptoms persist after environmental modifications have been implemented and reviewed. Cognitive behavioural therapy may also be considered for those who have benefited from medication but still experience significant impairment.
NICE advises against elimination diets, dietary fatty acid supplementation, and the use of the ‘few foods diet’. Methylphenidate of lisdexamfetamine is the first-line medication option, with dexamphetamine considered for those who respond to lisdexamfetamine but cannot tolerate the longer effect profile. Atomoxetine of guanfacine may be offered for those who cannot tolerate methylphenidate of lisdexamfetamine. Clonidine and atypical antipsychotics should only be used with advice from a tertiary ADHD service.
Drug holidays may be considered for children and young people who have not met the expected height for their age due to medication. However, NICE advises that withdrawal from treatment is associated with a risk of symptom exacerbation.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 47
Incorrect
-
Which statement accurately describes the STAR*D trial?
Your Answer:
Correct Answer: It consisted of four different levels of treatment
Explanation:STAR*D Study
The STAR*D trial, conducted in the USA, aimed to evaluate the effectiveness of treatments for major depressive disorder in real-world patients. The study involved four levels of treatment, with patients starting at level 1 and progressing to the next level if they did not respond. The outcome measure used was remission, and the study entry criteria were broadly defined to ensure results could be generalized to a wide range of patients.
A total of 4,041 patients were enrolled in the first level of treatment, making STAR*D the largest prospective clinical trial of depression ever conducted. In level 1, one-third of participants achieved remission, and a further 10-15% responded but not to the point of remission. If treatment with an initial SSRI fails, then one in four patients who choose to switch to another medication will enter remission, regardless of whether the second medication is an SSRI of a medication of a different class. If patients choose to add a medication instead, one in three will get better.
Overall, the STAR*D study provides valuable insights into the effectiveness of different treatments for major depressive disorder and highlights the importance of considering alternative treatments if initial treatment fails.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 48
Incorrect
-
Which of the following is not considered an effective prophylaxis for bipolar affective disorder, despite the use of other medications such as valproate, olanzapine, lithium, and quetiapine, and the avoidance of antidepressants due to their lack of significant benefit?
Your Answer:
Correct Answer: Sertraline
Explanation:It is recommended to avoid the use of antidepressants in bipolar disorder whenever possible, as studies have not shown significant benefits from their continued use (Maudsley 13th Ed).
Bipolar Disorder: Diagnosis and Management
Bipolar disorder is a lifelong condition characterized by episodes of mania or hypomania and episodes of depressed mood. The peak age of onset is 15-19 years, and the lifetime prevalence of bipolar I disorders is estimated to be around 2.1%. The diagnosis of bipolar disorder is based on the presence of manic or hypomanic episodes, which are characterized by elevated of expansive mood, rapid speech, and increased activity of energy. Psychotic symptoms, such as delusions and hallucinations, may also be present.
Bipolar depression differs from unipolar depression in several ways, including more rapid onset, more frequent episodes, and shorter duration. Rapid cycling is a qualifier that can be applied to bipolar I of bipolar II disorder and is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode.
The management of bipolar disorder involves acute and long-term interventions. Acute management of mania or hypomania may involve stopping antidepressants and offering antipsychotics of mood stabilizers. Long-term management may involve psychological interventions and pharmacological treatments such as lithium, valproate, of olanzapine.
It is important to note that valproate should not be offered to women of girls of childbearing potential for long-term bipolar disorder unless other options are ineffective of not tolerated and a pregnancy prevention program is in place. Aripiprazole is recommended as an option for treating moderate to severe manic episodes in adolescents with bipolar I disorder.
Overall, the diagnosis and management of bipolar disorder require a comprehensive approach that takes into account the individual’s symptoms, history, and preferences.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 49
Incorrect
-
A 60 year old lady is brought to A&E by her daughter who has noticed that her memory and personality have changed dramatically over the past 2-3 months. Prior to that she had been ok and was in relatively good health. Further questioning reveals fluctuating levels of consciousness. Which of the following would you suspect?
Your Answer:
Correct Answer: Chronic subdural haematoma
Explanation:While any of the possibilities could explain the shift in personality and cognitive function, the presence of varying levels of consciousness indicates a probable chronic subdural hematoma.
Depression is an important differential diagnosis to consider in a person presenting with dementia. Depression can cause cognitive impairment, memory problems, and difficulty concentrating, which can mimic the symptoms of dementia. It is important to differentiate between depression and dementia, as depression is treatable with medication and therapy, whereas dementia is a progressive and irreversible condition. Therefore, a thorough evaluation of the patient’s medical history, physical examination, and cognitive testing is necessary to make an accurate diagnosis and provide appropriate treatment.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 50
Incorrect
-
What antidepressant is considered effective and well-tolerated in elderly patients, but has a notable risk of liver injury and therefore necessitates frequent monitoring of liver function?
Your Answer:
Correct Answer: Agomelatine
Explanation:Agomelatine should be taken orally at bedtime, with a recommended starting dose of 25 mg once daily. The dose may be increased to 50 mg once daily. However, it is important to note that cases of liver injury, including hepatic failure, have been reported in patients taking agomelatine, particularly in those with pre-existing liver conditions. Liver function tests should be performed before starting treatment, and treatment should not be initiated if transaminases exceed 3 times the upper limit of normal. During treatment, transaminases should be monitored periodically at three weeks, six weeks (end of acute phase), twelve weeks, and twenty-four weeks (end of maintenance phase), and thereafter when clinically indicated. If transaminases exceed 3 times the upper limit of normal, treatment should be discontinued. When increasing the dosage, liver function tests should be performed at the same frequency as when initiating treatment.
Antidepressants in the Elderly: Maudsley Guidelines 14th Edition Summary
Antidepressants have a similar response rate in the elderly as in younger adults, but factors such as physical illness, anxiety, and reduced executive functioning can affect prognosis. SSRIs and TCAs are equally effective, but TCAs have higher withdrawal rates in the elderly. NICE recommends starting with an SSRI, then trying another SSRI of a newer generation antidepressant if there is no response. If this fails, an antidepressant from a different class can be considered, but caution is needed with TCAs and MAOIs due to adverse effects and drug interactions. There is no ideal antidepressant for elderly patients, and choice should be based on individual cases. SSRIs are generally better tolerated than TCAs, but increase the risk of gastrointestinal bleeds, hyponatremia, and falls. Agomelatine is effective and well-tolerated in older patients, but requires frequent liver function tests. Fish oils are probably not effective, and highly anticholinergic medicines increase the risk of dementia. Elderly patients may take longer to respond to antidepressants, and it is recommended that they continue taking them for at least 2 years following remission.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 51
Incorrect
-
A patient with chronic depression presents with unusual somatic symptoms after trying a medication called hypericum perforatum that she purchased in Germany. Which of the following symptoms could be attributed to the new medication?
Your Answer:
Correct Answer: Headache
Explanation:St John’s Wort may cause several side effects, including dry mouth, nausea, rash, diarrhea, fatigue, dizziness, headache, and restlessness.
Herbal Remedies for Depression and Anxiety
Depression can be treated with Hypericum perforatum (St John’s Wort), which has been found to be more effective than placebo and as effective as standard antidepressants. However, its use is not advised due to uncertainty about appropriate doses, variation in preparations, and potential interactions with other drugs. St John’s Wort can cause serotonin syndrome and decrease levels of drugs such as warfarin and ciclosporin. The effectiveness of the combined oral contraceptive pill may also be reduced.
Anxiety can be reduced with Piper methysticum (kava), but it cannot be recommended for clinical use due to its association with hepatotoxicity.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 52
Incorrect
-
The ICD-11 defines a condition characterized by distressing emotional, behavioral, and physical symptoms that occur in the premenstrual phase of the menstrual cycle as:
Your Answer:
Correct Answer: Premenstrual dysphoric disorder
Explanation:There is currently no evidence to support the use of vitamin supplements for the treatment of premenstrual dysphoric disorder. However, lifestyle changes such as regular exercise, a healthy diet, and stress reduction techniques may be helpful in managing symptoms. It is important to consult with a healthcare provider to determine the best course of treatment for individual cases of PMDD.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 53
Incorrect
-
What intervention has been proven to effectively decrease suicidal behavior?
Your Answer:
Correct Answer: Clozapine
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 54
Incorrect
-
An older female patient complained of a specific disturbance in memory that occurred whilst having sex. This episode lasted 6 hours and she was fully conscious throughout. She made a full recovery following the event. Select the most likely diagnosis.
Encephalitis
1%
Cerebrovascular accident
7%
Transient global amnesia
81%
Complex partial seizure
2%
Dissociative Amnesia
9%Your Answer:
Correct Answer: Transient global amnesia
Explanation:Transient Global Amnesia: Definition, Diagnostic Criteria, and Possible Causes
Transient global amnesia (TGA) is a clinical syndrome characterized by sudden and severe amnesia, often accompanied by repetitive questioning, that lasts for several hours. The term was first coined in 1964 by Fisher and Adams. To diagnose TGA, the following criteria have been established: (1) the attack must be witnessed, (2) there must be clear anterograde amnesia, (3) clouding of consciousness and loss of personal identity must be absent, (4) there should be no accompanying focal neurological symptoms, (5) epileptic features must be absent, (6) attacks must resolve within 24 hours, and (7) patients with recent head injury of known active epilepsy are excluded.
Epidemiological studies have shown that thromboembolic cerebrovascular disease does not play a role in the causation of TGA. However, the incidence of migraine in patients with TGA is higher than in the general population. A small minority of cases with unusually brief and recurrent attacks eventually manifest temporal lobe epilepsy. EEG recording is typically normal after an attack, even when performed during the attack.
Possible causes of TGA include venous congestion with Valsalva-like activities before symptom onset, arterial thromboembolic ischemia, and vasoconstriction due to hyperventilation. Precipitants of TGA often include exertion, cold, pain, emotional stress, and sexual intercourse.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 55
Incorrect
-
Which symptom is not considered a sign of PTSD in individuals with learning disabilities?
Your Answer:
Correct Answer: Auditory hallucinations
Explanation:Post Traumatic Stress Disorder in People with Learning Difficulties
Post traumatic stress disorder (PTSD) can present differently in people with learning difficulties compared to those without. While nightmares, jumpiness, and sleep disturbance are common in the general population, aggression and behavioral disturbance are more common in those with learning disabilities. Other symptoms may include disruptive of defiant behavior, self-harm, agitation, distractibility, and depressed mood.
The most common cause of PTSD in people with learning difficulties is abuse. Treatment for PTSD in this population is similar to that for those without learning difficulties, including trauma-focused cognitive behavioral therapy of eye movement desensitization and reprocessing (EMDR) with selective serotonin reuptake inhibitors (SSRIs) of venlafaxine as an alternative of combined. However, the therapy must be tailored to the individual’s ability to understand and communicate.
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This question is part of the following fields:
- Learning Disability
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Question 56
Incorrect
-
Which statement about Korsakoff's psychosis is incorrect?
Your Answer:
Correct Answer: New memories are unaffected
Explanation:Korsakoff’s Syndrome
Korsakoff’s Syndrome, also known as amnesic syndrome, is a chronic condition that affects recent and anterograde memory in an alert and responsive patient. It is caused by prolonged thiamine (vitamin B1) deficiency and often follows Wernicke’s encephalopathy. The syndrome is characterized by a lack of insight, apathy, and confabulation. Thiamine is essential for glucose metabolism in the brain, and its deficiency leads to a toxic buildup of glucose, causing neuronal loss. The Mammillary bodies are the main areas affected in Korsakoff’s syndrome.
While intelligence on the WAIS is preserved, episodic memory is severely affected in Korsakoff’s syndrome. Semantic memory is variably affected, but implicit aspects of memory, such as response to priming and procedural memory, are preserved. Immediate memory tested with the digit span is normal, but information can only be retained for a few minutes at most. Patients with Korsakoff’s syndrome often display apathy, lack of initiative, and profound lack of insight.
Source: Kopelman M (2009) The Korsakoff Syndrome: Clinical Aspects, Psychology and Treatment. Alcohol and Alcoholism 44 (2): 148-154.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 57
Incorrect
-
What is the accuracy of the standardised mortality ratio for individuals with schizophrenia?
Your Answer:
Correct Answer: It falls with age
Explanation:Schizophrenia and Mortality
Schizophrenia is associated with a reduced life expectancy, according to a meta-analysis of 37 studies. The analysis found that people with schizophrenia have a mean SMR (standardised mortality ratio) of 2.6, meaning that their risk of dying over the next year is 2.6 times higher than that of people without the condition. Suicide and accidents contribute significantly to the increased SMR, while cardiovascular disease is the leading natural cause of death. SMR decreases with age due to the early peak of suicides and the gradual rise in population mortality. There is no sex difference in SMR, but patients who are unmarried, unemployed, and of lower social class have higher SMRs. The majority of deaths in people with schizophrenia are due to natural causes, with circulatory disease being the most common. Other linked causes include diabetes, epilepsy, and respiratory disease.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 58
Incorrect
-
How do the odds of excessive drinking differ between patients with liver cirrhosis and those without cirrhosis?
Your Answer:
Correct Answer: 16
Explanation:Measures of Effect in Clinical Studies
When conducting clinical studies, we often want to know the effect of treatments of exposures on health outcomes. Measures of effect are used in randomized controlled trials (RCTs) and include the odds ratio (of), risk ratio (RR), risk difference (RD), and number needed to treat (NNT). Dichotomous (binary) outcome data are common in clinical trials, where the outcome for each participant is one of two possibilities, such as dead of alive, of clinical improvement of no improvement.
To understand the difference between of and RR, it’s important to know the difference between risks and odds. Risk is a proportion that describes the probability of a health outcome occurring, while odds is a ratio that compares the probability of an event occurring to the probability of it not occurring. Absolute risk is the basic risk, while risk difference is the difference between the absolute risk of an event in the intervention group and the absolute risk in the control group. Relative risk is the ratio of risk in the intervention group to the risk in the control group.
The number needed to treat (NNT) is the number of patients who need to be treated for one to benefit. Odds are calculated by dividing the number of times an event happens by the number of times it does not happen. The odds ratio is the odds of an outcome given a particular exposure versus the odds of an outcome in the absence of the exposure. It is commonly used in case-control studies and can also be used in cross-sectional and cohort study designs. An odds ratio of 1 indicates no difference in risk between the two groups, while an odds ratio >1 indicates an increased risk and an odds ratio <1 indicates a reduced risk.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 59
Incorrect
-
Which condition is primarily associated with cortical dementia rather than subcortical dementia?
Your Answer:
Correct Answer: Pick's disease
Explanation:Distinguishing Cortical and Subcortical Dementia: A Contested Area
Attempts have been made to differentiate between cortical and subcortical dementia based on clinical presentation, but this remains a contested area. Some argue that the distinction is not possible. Cortical dementia is characterized by impaired memory, visuospatial ability, executive function, and language. Examples of cortical dementias include Alzheimer’s disease, Pick’s disease, and Creutzfeldt-Jakob disease. On the other hand, subcortical dementia is characterized by general slowing of mental processes, personality changes, mood disorders, and abnormal movements. Examples of subcortical dementias include Binswanger’s disease, dementia associated with Huntington’s disease, AIDS, Parkinson’s disease, Wilson’s disease, and progressive supranuclear palsy. Despite ongoing debate, questions on this topic may appear in exams.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 60
Incorrect
-
What scales are suitable for assessing drug-induced Parkinsonism?
Your Answer:
Correct Answer: Simpson-Angus scale
Explanation:The Simpson-Angus scale was created to evaluate parkinsonism caused by medication, utilizing consistent assessments for stiffness, shaking, and excessive saliva production. The scale solely relies on observable symptoms.
In psychiatry, various questionnaires and interviews are used to assess different conditions and areas. It is important for candidates to know whether certain assessment tools are self-rated of require clinical assistance. The table provided by the college lists some of the commonly used assessment tools and indicates whether they are self-rated of clinician-rated. For example, the HAMD and MADRS are clinician-rated scales used to assess the severity of depression, while the GDS is a self-rated scale used to screen for depression in the elderly. The YMRS is a clinician-rated scale used to assess the severity of mania in patients with bipolar disorder, while the Y-BOCS is used to measure both the severity of OCD and the response to treatment. The GAF provides a single measure of global functioning, while the CGI requires the clinician to rate the severity of the patient’s illness at the time of assessment. The CAMDEX is a tool developed to assist in the early diagnosis and measurement of dementia in the elderly.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 61
Incorrect
-
Which antipsychotic medication is approved for treating aggression in individuals with dementia?
Your Answer:
Correct Answer: Risperidone
Explanation:Risperidone is the sole atypical antipsychotic approved for managing short-term aggression in dementia patients who have not responded to behavioral interventions. However, antipsychotics carry risks of adverse effects, including heightened confusion and falls. In elderly individuals, traditional antipsychotics may cause extrapyramidal side effects and QTc prolongation.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 62
Incorrect
-
What is the most precise estimation of the occurrence of problematic behaviors among adults who have learning disabilities?
Your Answer:
Correct Answer: 20%
Explanation:Learning Disability and comorbid Psychiatric Illness
It is estimated that 30-50% of adults with learning disabilities also experience mental health problems, including problem behavior. Specific prevalence rates for various mental health disorders in this population have been identified through research. For example, psychotic disorders are present in 4% of adults with learning disabilities, while affective disorders are present in 6%. Autism is the most prevalent disorder, affecting 7.5% of this population.
It is important to note that major depressive disorder can occur at all IQ levels in people with learning disabilities, but may be missed of misinterpreted as challenging behavior. Additionally, individuals with learning disabilities are more susceptible to the negative effects of life events and may develop adjustment disorder. Post-traumatic stress disorder is also common in this population.
Stimulant drugs may be less effective in children with learning disabilities and should be used with caution in individuals with Tourette’s of autism, as they may trigger tics. Overall, it is crucial to recognize and address comorbid psychiatric illness in individuals with learning disabilities to ensure appropriate treatment and support.
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This question is part of the following fields:
- Learning Disability
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Question 63
Incorrect
-
Which of the following is an atypical characteristic of avoidant personality disorder?
Your Answer:
Correct Answer: Urgent search for another relationship as a source of care and support when a close relationship ends
Explanation:Dependent personality disorder is characterized by an immediate and desperate search for a new relationship to provide care and support after the end of a close relationship.
Personality Disorder: Avoidant
Avoidant Personality Disorder (AVPD) is characterized by a pervasive pattern of social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation. According to the DSM-5, individuals with AVPD exhibit at least four of the following symptoms: avoidance of occupational activities that involve interpersonal contact, unwillingness to be involved unless certain of being liked, restraint in intimate relationships due to fear of ridicule, preoccupation with being criticized of rejected in social situations, inhibition in new interpersonal situations due to feelings of inadequacy, viewing oneself as inept and inferior to others, and reluctance to take personal risks of engage in new activities due to potential embarrassment.
In contrast, the ICD-11 does not have a specific category for AVPD but instead uses the qualifier of detachment trait. The Detachment trait domain is characterized by a tendency to maintain interpersonal and emotional distance. Common manifestations of Detachment include social detachment (avoidance of social interactions, lack of friendships, and avoidance of intimacy) and emotional detachment (reserve, aloofness, and limited emotional expression and experience). It is important to note that not all individuals with Detachment will exhibit all of these symptoms at all times.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 64
Incorrect
-
What is the name of the opioid antagonist that is utilized to prevent relapse in individuals who were previously dependent on opioids?
Your Answer:
Correct Answer: Naltrexone
Explanation:By acting as an antagonist to opioid receptors, naltrexone inhibits the pleasurable effects of opiates when consumed.
Opioid Maintenance Therapy and Detoxification
Withdrawal symptoms can occur after as little as 5 days of regular opioid use. Short-acting opioids like heroin have acute withdrawal symptoms that peak in 32-72 hours and last for 3-5 days. Longer-acting opioids like methadone have acute symptoms that peak at day 4-6 and last for 10 days. Buprenorphine withdrawal lasts up to 10 days and includes symptoms like myalgia, anxiety, and increased drug craving.
Opioids affect the brain through opioid receptors, with the µ receptor being the main target for opioids. Dopaminergic cells in the ventral tegmental area produce dopamine, which is released into the nucleus accumbens upon stimulation of µ receptors, producing euphoria and reward. With repeat opioid exposure, µ receptors become less responsive, causing dysphoria and drug craving.
Methadone and buprenorphine are maintenance-oriented treatments for opioid dependence. Methadone is a full agonist targeting µ receptors, while buprenorphine is a partial agonist targeting µ receptors and a partial k agonist of functional antagonist. Naloxone and naltrexone are antagonists targeting all opioid receptors.
Methadone is preferred over buprenorphine for detoxification, and ultra-rapid detoxification should not be offered. Lofexidine may be considered for mild of uncertain dependence. Clonidine and dihydrocodeine should not be used routinely in opioid detoxification. The duration of detoxification should be up to 4 weeks in an inpatient setting and up to 12 weeks in a community setting.
Pregnant women dependent on opioids should use opioid maintenance treatment rather than attempt detoxification. Methadone is preferred over buprenorphine, and transfer to buprenorphine during pregnancy is not advised. Detoxification should only be considered if appropriate for the women’s wishes, circumstances, and ability to cope. Methadone or buprenorphine treatment is not a contraindication to breastfeeding.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 65
Incorrect
-
What factor is the most probable cause of tardive dyskinesia?
Your Answer:
Correct Answer: Haloperidol
Explanation:Tardive Dyskinesia: Symptoms, Causes, Risk Factors, and Management
Tardive dyskinesia (TD) is a condition that affects the face, limbs, and trunk of individuals who have been on neuroleptics for months to years. The movements fluctuate over time, increase with emotional arousal, decrease with relaxation, and disappear with sleep. The cause of TD remains theoretical, but the postsynaptic dopamine (D2) receptor supersensitivity hypothesis is the most persistent. Other hypotheses include the presynaptic dopaminergic/noradrenergic hyperactivity hypothesis, the cholinergic interneuron burnout hypothesis, the excitatory/oxidative stress hypothesis, and the synaptic plasticity hypothesis. Risk factors for TD include advancing age, female sex, ethnicity, longer illness duration, intellectual disability and brain damage, negative symptoms in schizophrenia, mood disorders, diabetes, smoking, alcohol and substance misuse, FGA vs SGA treatment, higher antipsychotic dose, anticholinergic co-treatment, and akathisia.
Management options for TD include stopping any anticholinergic, reducing antipsychotic dose, changing to an antipsychotic with lower propensity for TD, and using tetrabenazine, vitamin E, of amantadine as add-on options. Clozapine is the antipsychotic most likely to be associated with resolution of symptoms. Vesicular monoamine transporter type 2 (VMAT2) inhibitors are agents that cause a depletion of neuroactive peptides such as dopamine in nerve terminals and are used to treat chorea due to neurodegenerative diseases of dyskinesias due to neuroleptic medications (tardive dyskinesia).
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This question is part of the following fields:
- General Adult Psychiatry
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Question 66
Incorrect
-
What item is considered high risk according to the MARSIPAN group?
Your Answer:
Correct Answer: QTc > 450 ms
Explanation:Anorexia is a serious mental health condition that can have severe physical complications. These complications can affect various systems in the body, including the cardiac, skeletal, hematologic, reproductive, metabolic, gastrointestinal, CNS, and dermatological systems. Some of the recognized physical complications of anorexia nervosa include bradycardia, hypotension, osteoporosis, anemia, amenorrhea, hypothyroidism, delayed gastric emptying, cerebral atrophy, and lanugo.
The Royal College of Psychiatrists has issued advice on managing sick patients with anorexia nervosa, recommending hospital admission for those with high-risk items. These items include a BMI of less than 13, a pulse rate of less than 40 bpm, a SUSS test score of less than 2, a sodium level of less than 130 mmol/L, a potassium level of less than 3 mmol/L, a serum glucose level of less than 3 mmol/L, and a QTc interval of more than 450 ms. The SUSS test involves assessing the patient’s ability to sit up and squat without using their hands. A rating of 0 indicates complete inability to rise, while a rating of 3 indicates the ability to rise without difficulty. Proper management and treatment of anorexia nervosa are crucial to prevent of manage these physical complications.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 67
Incorrect
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What is a fact about self-harm among youth?
Your Answer:
Correct Answer: It is more common in girls than boys
Explanation:Self-harm is a common issue among young people, particularly girls, with rates appearing to have risen over the past decade. It is most likely to occur between the ages of 12 and 15 years and is associated with a range of psychiatric problems. Short-term management involves a psychosocial assessment and consideration of activated charcoal for drug overdose. Longer-term management may involve psychological interventions, but drug treatment should not be offered as a specific intervention to reduce self-harm. Risk assessment tools should not be used to predict future suicide of repetition of self-harm, but certain factors such as male gender, substance misuse, and parental mental disorder may be associated with a higher risk of completed suicide. It is important to seek professional help if you of someone you know is engaging in self-harm.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 68
Incorrect
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What is a criterion used to evaluate the quality of reporting in randomized controlled trials?
Your Answer:
Correct Answer: CONSORT
Explanation:As an AI language model, I do not have personal opinions of beliefs. However, I can provide information and guidance on the standards of reporting for different types of research studies. The guidelines mentioned above are essential for ensuring that research studies are reported accurately and transparently, which is crucial for the scientific community to evaluate and replicate the findings. It is important for researchers to be familiar with these standards and follow them when reporting their studies to ensure the quality and integrity of their research.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 69
Incorrect
-
What is a recognized protective factor against child abuse?
Your Answer:
Correct Answer: Having social connections
Explanation:Child Abuse: Risk Factors and Protective Factors
Child abuse is a serious problem that can have long-lasting effects on a child’s physical and emotional well-being. There are several risk factors that increase the likelihood of child abuse occurring. These include a history of abuse in the caregiver, substance misuse in the caregiver, inaccurate knowledge about child development, teenage parents, children of single parents, domestic violence in the home, high levels of stress within the family, younger children, children with disabilities, poverty, social isolation, and living in a dangerous neighborhood.
However, there are also protective factors that can help prevent child abuse from occurring. These include parental resilience, social connections, knowledge of parenting and child development, concrete support in times of need, and social and emotional competence of children. By promoting these protective factors, we can help reduce the risk of child abuse and create a safer and healthier environment for children to grow and thrive.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 70
Incorrect
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Which option is not a type of cognitive distortion?
Your Answer:
Correct Answer: Isolation
Explanation:The term isolation belongs to the psychodynamic field.
Cognitive Therapy and Negative Automatic Thoughts
Cognitive therapy is a present-focused approach that aims to help clients overcome difficulties by identifying and changing dysfunctional thinking. This therapy is based on collaboration between the client and therapist and on testing beliefs through collaborative empiricism. One of the techniques used in cognitive therapy is Socratic questioning, which helps elicit false beliefs called negative automatic thoughts.
Negative automatic thoughts, also known as cognitive distortions, can be categorized into different types. Dichotomous thinking is the tendency to see things as black and white rather than shades of grey. Personalization is the incorrect assumption that things happen due to us, while overgeneralization involves coming to a general conclusion based on a single piece of evidence. Arbitrary inference is drawing an unjustified conclusion, while selective abstraction involves concentrating on the negative while ignoring the positives. Catastrophizing is expecting disaster from relatively trivial events, while filtering involves selecting out only negative aspects of a situation and leaving out the positive.
Control fallacies involve believing that we are responsible for everything (internal control fallacy) of nothing (external control fallacy). The fallacy of fairness is believing that life is fair, while blaming involves holding others responsible for our distress. Shoulds are preconceived rules we believe (often incorrect) which makes us angry when others don’t obey them. Magnification is a tendency to exaggerate the importance of negative information of experiences, while trivializing of reducing the significance of positive information of experiences. Minimization involves an undervaluation of positive attributes, while emotional reasoning is believing what we feel must be true.
The fallacy of change involves expecting others to change just because it suits us, while global labeling involves exaggerating and labeling behavior (e.g. when you fail at something, saying ‘I’m a loser’). Always being right is when the need to be right dominates all other needs, while the heaven’s reward fallacy involves expecting our sacrifices will pay off. Finally, magical thinking is incorrectly believing that our actions influence the outcomes.
Overall, cognitive therapy helps individuals identify and challenge negative automatic thoughts to improve their mental health and well-being.
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This question is part of the following fields:
- Psychotherapy
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Question 71
Incorrect
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Which statement accurately describes antisocial personality disorder?
Your Answer:
Correct Answer: The term antisocial personality disorder is used in the DSM-5
Explanation:Personality Disorder (Antisocial / Dissocial)
Antisocial personality disorder is characterized by impulsive, irresponsible, and often criminal behavior. The criteria for this disorder differ somewhat between the ICD-11 and DSM-5. The ICD-11 abolished all categories of personality disorder except for a general description of personality disorder. This diagnosis can be further specified as “mild,” “moderate,” of “severe.” Patient behavior can be described using one of more of five personality trait domains; negative affectivity, dissociality, anankastic, detachment, and disinhibition. Clinicians may also specify a borderline pattern qualifier.
The core feature of dissociality is a disregard for the rights and feelings of others, encompassing both self-centeredness and lack of empathy. Common manifestations of Dissociality include self-centeredness and lack of empathy. The DSM-5 defines antisocial personality disorder as a pervasive pattern of disregard for and violation of the rights of others, occurring since age 15, as indicated by three (of more) of the following: failure to conform to social norms with respect to lawful behaviors, deceitfulness, impulsivity of failure to plan ahead, irritability and aggressiveness, reckless disregard for safety of self of others, consistent irresponsibility, and lack of remorse.
Prevalence estimates are between 1%-6% in men and between 0.2-0.8% in women. Antisocial behaviors typically have their onset before age 8 years. Nearly 80% of people with ASPD developed their first symptom by age 11 years. Boys develop symptoms earlier than girls, who may not develop symptoms until puberty. An estimated 25% of girls and 40% of boys with Conduct Disorder will later meet criteria for ASPD.
The 2009 NICE Guidelines essentially make two recommendations on treatment: consider offering group-based cognitive and behavioral interventions and pharmacological interventions should not be routinely used for the treatment of antisocial personality disorder of associated behaviors of aggression, anger, and impulsivity. A Cochrane review found that there is not enough good quality evidence to recommend of reject any psychological treatment for people with a diagnosis of AsPD.
The term psychopathy has varied meanings. Some use the term synonymously with APD and consider it to represent the severe end of the spectrum of APD. Others maintain a clear distinction between psychopathy and APD. Psychopathy has been said to be a richer (broader) concept than APD. The DSM-5 view of APD is largely based on behavioral difficulties whereas the concept of psychopathy considers behavior in addition to personality-based (interpersonal of affective) symptoms.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 72
Incorrect
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What is a known factor that can lead to inaccurate positive results for amphetamine on drug screening tests?
Your Answer:
Correct Answer: Pseudoephedrine
Explanation:Pseudoephedrine belongs to the phenethylamine and amphetamine chemical classes and acts as a sympathomimetic drug. Its primary purpose is to alleviate nasal and sinus congestion.
Drug Screening
Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.
People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.
Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 73
Incorrect
-
Which concept of idea is closely associated with the use of estimated of rough answers?
Your Answer:
Correct Answer: Ganser's syndrome
Explanation:Ganser’s syndrome is a disputed diagnosis that typically involves vague responses, confusion, physical symptoms without a clear medical explanation, false perceptions, and memory loss for the time when the symptoms were present. It is commonly observed in incarcerated individuals awaiting trial and seems to be a manifestation of their perception of what a mental illness entails. As a result, some experts argue that it is a type of feigning illness. Ganser’s syndrome is classified as a dissociative disorder.
Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 74
Incorrect
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In what circumstances does Lyonization always take place?
Your Answer:
Correct Answer: Klinefelter's syndrome
Explanation:Klinefelter’s syndrome is a condition that occurs when a male has one of more extra copies of the X chromosome in their cells. This extra genetic material interferes with male sexual development, causing the testes to function abnormally and reducing testosterone levels. This can lead to delayed of incomplete puberty, genital abnormalities, gynecomastia, reduced facial and body hair, and infertility. Additionally, individuals with Klinefelter’s syndrome may experience learning disabilities, delayed speech and language development, and a shy personality. The syndrome is typically caused by one extra X chromosome in each cell, but can also be caused by two of three extra X chromosomes. The severity of symptoms increases with the number of extra sex chromosomes. Some individuals with Klinefelter’s syndrome have the extra X chromosome in only some of their cells, which can result in milder symptoms. Lyonization, which occurs when there are multiple X chromosomes in a cell, is present to some degree in all individuals with Klinefelter’s syndrome.
Lyonization: The Process of X-Inactivation
The X chromosome is crucial for proper development and cell viability, containing over 1,000 essential genes. However, females carry two copies of the X chromosome, which can result in a potentially toxic double dose of X-linked genes. To address this imbalance, females undergo a process called Lyonization, of X-inactivation, where one of their two X chromosomes is transcriptionally silenced. The silenced X chromosome then condenses into a compact structure known as a Barr body, which remains in a silent state.
X-inactivation occurs randomly, with no preference for the paternal or maternal X chromosome. It takes place early in embryogenesis, soon after fertilization when the dividing conceptus is about 16-32 cells big. This process occurs in all somatic cells of women, but not in germ cells involved in forming gametes. X-inactivation affects most, but not all, genes on the X chromosome. If a cell has more than two X chromosomes, the extra Xs are also inactivated.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 75
Incorrect
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What is a common characteristic observed in a patient diagnosed with DiGeorge syndrome?
Your Answer:
Correct Answer: Cleft palate
Explanation:The condition associated with flapping hand movements is either Angelman syndrome of Fragile X, while hyperphagia is a symptom of Prader-Willi syndrome. Overlapping of fingers over thumb is seen in Patau syndrome, and pronounced self-injurious behavior is a feature of Lesch-Nyhan syndrome of Smith-Magenis syndrome. DiGeorge syndrome is typically caused by a deletion on chromosome 22 and presents with a variety of symptoms, including cardiac abnormalities (tetralogy of Fallot), abnormal facies (almond-shaped eyes, low-set ears), thymic aplasia (leading to recurrent infections), cleft palate, and hypocalcemia/hypoparathyroidism (resulting in short stature and seizures). Learning disabilities are also common in individuals with DiGeorge syndrome, and they may also be at increased risk for psychiatric conditions such as depression, ADHD, and schizophrenia.
Genetic Conditions and Their Features
Genetic conditions are disorders caused by abnormalities in an individual’s DNA. These conditions can affect various aspects of a person’s health, including physical and intellectual development. Some of the most common genetic conditions and their features are:
– Downs (trisomy 21): Short stature, almond-shaped eyes, low muscle tone, and intellectual disability.
– Angelman syndrome (Happy puppet syndrome): Flapping hand movements, ataxia, severe learning disability, seizures, and sleep problems.
– Prader-Willi: Hyperphagia, excessive weight gain, short stature, and mild learning disability.
– Cri du chat: Characteristic cry, hypotonia, down-turned mouth, and microcephaly.
– Velocardiofacial syndrome (DiGeorge syndrome): Cleft palate, cardiac problems, and learning disabilities.
– Edwards syndrome (trisomy 18): Severe intellectual disability, kidney malformations, and physical abnormalities.
– Lesch-Nyhan syndrome: Self-mutilation, dystonia, and writhing movements.
– Smith-Magenis syndrome: Pronounced self-injurious behavior, self-hugging, and a hoarse voice.
– Fragile X: Elongated face, large ears, hand flapping, and shyness.
– Wolf Hirschhorn syndrome: Mild to severe intellectual disability, seizures, and physical abnormalities.
– Patau syndrome (trisomy 13): Severe intellectual disability, congenital heart malformations, and physical abnormalities.
– Rett syndrome: Regression and loss of skills, hand-wringing movements, and profound learning disability.
– Tuberous sclerosis: Hamartomatous tumors, epilepsy, and behavioral issues.
– Williams syndrome: Elfin-like features, social disinhibition, and advanced verbal skills.
– Rubinstein-Taybi syndrome: Short stature, friendly disposition, and moderate learning disability.
– Klinefelter syndrome: Extra X chromosome, low testosterone, and speech and language issues.
– Jakob’s syndrome: Extra Y chromosome, tall stature, and lower mean intelligence.
– Coffin-Lowry syndrome: Short stature, slanting eyes, and severe learning difficulty.
– Turner syndrome: Short stature, webbed neck, and absent periods.
– Niemann Pick disease (types A and B): Abdominal swelling, cherry red spot, and feeding difficulties.It is important to note that these features may vary widely among individuals with the same genetic condition. Early diagnosis and intervention can help individuals with genetic conditions reach their full potential and improve their quality of life.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 76
Incorrect
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A 30 year old man presents to his primary care physician with complaints of insomnia, anxiety, tremors, and confusion. He is an avid bodybuilder and reports that he had been taking a supplement to enhance his muscle growth. He explains that he had been using a clear liquid provided by a friend. What is the most likely cause of his symptoms?
Your Answer:
Correct Answer: Gamma Butyrolactone
Explanation:The indications are in line with the effects of discontinuing GBL use, which is frequently utilized by individuals in the bodybuilding community due to its perceived ability to aid in muscle growth.
New Psychoactive Substances, previously known as ‘legal highs’, are synthetic compounds designed to mimic the effects of traditional illicit drugs. They became popular due to their ability to avoid legislative control, but the introduction of the Psychoactive Substances Act 2016 changed this. There is no standard for clinical classification, but some common legal highs include Mephedrone, Piperazines, GBL, Synthetic cannabinoids, and Benzofuran compounds. These substances have effects similar to ecstasy, amphetamines, and cannabis, and are classified as either Class B of Class C drugs in the UK.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 77
Incorrect
-
What is the term used to describe the point at which a researcher chooses to reject a null hypothesis?
Your Answer:
Correct Answer: Alpha level
Explanation:If the p-value is lower than the predetermined alpha level of 0.05, the outcome is considered significant.
Understanding Hypothesis Testing in Statistics
In statistics, it is not feasible to investigate hypotheses on entire populations. Therefore, researchers take samples and use them to make estimates about the population they are drawn from. However, this leads to uncertainty as there is no guarantee that the sample taken will be truly representative of the population, resulting in potential errors. Statistical hypothesis testing is the process used to determine if claims from samples to populations can be made and with what certainty.
The null hypothesis (Ho) is the claim that there is no real difference between two groups, while the alternative hypothesis (H1 of Ha) suggests that any difference is due to some non-random chance. The alternative hypothesis can be one-tailed of two-tailed, depending on whether it seeks to establish a difference of a change in one direction.
Two types of errors may occur when testing the null hypothesis: Type I and Type II errors. Type I error occurs when the null hypothesis is rejected when it is true, while Type II error occurs when the null hypothesis is accepted when it is false. The power of a study is the probability of correctly rejecting the null hypothesis when it is false, and it can be increased by increasing the sample size.
P-values provide information on statistical significance and help researchers decide if study results have occurred due to chance. The p-value is the probability of obtaining a result that is as large of larger when in reality there is no difference between two groups. The cutoff for the p-value is called the significance level (alpha level), typically set at 0.05. If the p-value is less than the cutoff, the null hypothesis is rejected, and if it is greater or equal to the cut off, the null hypothesis is not rejected. However, the p-value does not indicate clinical significance, which may be too small to be meaningful.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 78
Incorrect
-
Which statement accurately describes autism spectrum disorder?
Your Answer:
Correct Answer: Cognitive but not affective empathy is typically impaired
Explanation:The genetics involved in this condition are complex and do not adhere to a straightforward Mendelian pattern of inheritance. Individuals with this condition typically have limited social play skills and may experience difficulties with language. Despite a desire to form friendships, they may face challenges in doing so.
Autism Spectrum Disorder (ASD) is a lifelong disorder characterized by deficits in communication and social understanding, as well as restrictive and repetitive behaviors. The distinction between autism and Asperger’s has been abandoned, and they are now grouped together under the ASD category. Intellectual ability is difficult to assess in people with ASD, with an estimated 33% having an intellectual disability. ASD was first described in Europe and the United States using different terms, with Leo Kanner and Hans Asperger being the pioneers. Diagnosis is based on persistent deficits in social communication and social interaction, as well as restricted, repetitive patterns of behavior. The worldwide population prevalence is about 1%, with comorbidity being common. Heritability is estimated at around 90%, and both genetic and environmental factors seem to cause ASD. Currently, there are no validated pharmacological treatments that alleviate core ASD symptoms, but second-generation antipsychotics are the first-line pharmacological treatment for children and adolescents with ASD and associated irritability.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 79
Incorrect
-
What is a factor that increases the likelihood of developing bulimia nervosa?
Your Answer:
Correct Answer: Male homosexuality
Explanation:Bulimia: Epidemiology and Risk Factors
Bulimia is a prevalent eating disorder, with an estimated prevalence of 0.63% (Qian, 2021). It is more common in women than men, with a ratio of 10:1. The onset of symptoms typically occurs during adolescence.
Several risk factors have been identified for bulimia, including childhood sexual abuse, male homosexuality, having an occupation that focuses on weight, and low self-esteem (Rushing, 2003). Additionally, being female is also a risk factor for developing bulimia.
Overall, understanding the epidemiology and risk factors associated with bulimia is crucial for early identification and intervention to prevent the negative physical and psychological consequences of this disorder.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 80
Incorrect
-
The patient, a 23-year-old male, visited his GP two weeks after being involved in a road traffic accident. He reported feeling more anxious than usual, experiencing lethargy, and having a headache. Following the accident, he had a CT scan of his brain, which showed no abnormalities. However, six months later, his symptoms had disappeared. What was the likely cause of his initial symptoms?
Your Answer:
Correct Answer: Post-concussion syndrome
Explanation:Post-traumatic stress disorder typically has a delayed onset of symptoms and tends to persist for an extended period of time.
Post-Concussion Syndrome
Post-concussion syndrome can occur even after a minor head injury. This condition is characterized by several symptoms, including headache, fatigue, anxiety/depression, and dizziness. It is important to seek medical attention if you experience any of these symptoms after a head injury, as they can significantly impact your daily life. With proper treatment and management, many individuals with post-concussion syndrome can recover and return to their normal activities.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 81
Incorrect
-
What is the calculation that the nurse performed to determine the patient's average daily calorie intake over a seven day period?
Your Answer:
Correct Answer: Arithmetic mean
Explanation:You don’t need to concern yourself with the specifics of the various means. Simply keep in mind that the arithmetic mean is the one utilized in fundamental biostatistics.
Measures of Central Tendency
Measures of central tendency are used in descriptive statistics to summarize the middle of typical value of a data set. There are three common measures of central tendency: the mean, median, and mode.
The median is the middle value in a data set that has been arranged in numerical order. It is not affected by outliers and is used for ordinal data. The mode is the most frequent value in a data set and is used for categorical data. The mean is calculated by adding all the values in a data set and dividing by the number of values. It is sensitive to outliers and is used for interval and ratio data.
The appropriate measure of central tendency depends on the measurement scale of the data. For nominal and categorical data, the mode is used. For ordinal data, the median of mode is used. For interval data with a normal distribution, the mean is preferable, but the median of mode can also be used. For interval data with skewed distribution, the median is used. For ratio data, the mean is preferable, but the median of mode can also be used for skewed data.
In addition to measures of central tendency, the range is also used to describe the spread of a data set. It is calculated by subtracting the smallest value from the largest value.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 82
Incorrect
-
A 32-year-old man is referred by his primary care service due to concerns about social anxiety and isolation.
His mother reports that he avoids socialising and instead spends his time on the internet in chat rooms. He expresses numerous beliefs that are considered to be paranoid, for example, that the government is trying to suppress the minds of the public by encouraging unhealthy diets.
He is highly animated throughout the discussion and smiles and laughs for much of the interview. He states that the COVID pandemic introduced him to the concept of viruses and that this was a sign to him that his purpose in life is to educate the public that viruses are not real.
He is very suspicious of psychiatrists and suggests that as an arm of the state they will try and limit him so that the government remains in power.
Based on this presentation, which personality disorder would you most expect to be present?Your Answer:
Correct Answer: Schizotypal
Explanation:Paranoid personality disorder and schizotypal personality disorder share some common traits such as suspiciousness, interpersonal aloofness, and paranoid ideation. However, schizotypal personality disorder also includes symptoms like magical thinking, unusual perceptual experiences, and odd thinking and speech. In this particular case, the individual’s inappropriate affect and ideas of reference suggest schizotypal personality disorder rather than paranoid personality disorder. Individuals with schizoid personality disorder are often perceived as strange, eccentric, cold, and aloof, but they do not usually exhibit prominent paranoid ideation. Interestingly, research has shown that schizotypal personality disorder is a significant predictor of belief in conspiracy theories (March, 2019).
Schizotypal Personality Disorder: Symptoms and Diagnostic Criteria
Schizotypal personality disorder is a type of personality disorder that is characterized by a pervasive pattern of discomfort with close relationships, distorted thinking and perceptions, and eccentric behavior. This disorder typically begins in early adulthood and is present in a variety of contexts. To be diagnosed with schizotypal personality disorder, an individual must exhibit at least five of the following symptoms:
1. Ideas of reference (excluding delusions of reference).
2. Odd beliefs of magical thinking that influences behavior and is inconsistent with subcultural norms.
3. Unusual perceptual experiences, including bodily illusions.
4. Odd thinking and speech.
5. Suspiciousness of paranoid ideation.
6. Inappropriate or constricted affect.
7. Behavior of appearance that is odd, eccentric, of peculiar.
8. Lack of close friends of confidants other than first-degree relatives.
9. Excessive social anxiety that does not diminish with familiarity and tends to be associated with paranoid fears rather than negative judgments about self.It is important to note that the ICD-11 does not have a specific category for schizotypal personality disorder, as it has abandoned the categorical approach in favor of a dimensional one.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 83
Incorrect
-
What methods can be employed to increase the number of white blood cells in individuals with neutropenia?
Your Answer:
Correct Answer: Lithium
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 84
Incorrect
-
What is the condition that typically develops during childhood and is marked by sudden, involuntary, repetitive movements of vocalizations that have no clear purpose?
Your Answer:
Correct Answer: Tourette's syndrome
Explanation:Ekbom syndrome refers to two distinct syndromes. The first is known as delusional parasitosis, which is characterized by the false belief that the skin is infested with parasites. The second, also known as Willis-Ekbom syndrome, is restless legs syndrome, which causes uncomfortable sensations in the limbs that disrupt sleep. While European physicians tend to use the term to refer to delusional parasitosis, Americans typically use it to describe restless legs syndrome.
Lesch-Nyhan syndrome is a genetic disorder that results in congenital mental retardation. It is caused by mutations in the HPRT gene on the X chromosome, which leads to defective purine metabolism and severe self-injury. The HPRT gene codes for an enzyme called hypoxanthine phosphoribosyltransferase 1, which is responsible for recycling purines. When this enzyme is absent, purines are broken down but not recycled, resulting in abnormally high levels of uric acid.
Rett syndrome is a developmental disorder that primarily affects girls and is caused by an X-linked dominant mutation. It is characterized by acquired microcephaly, a reversal of cognitive and social development, ataxia, and stereotypic hand movements and manual dyspraxia known as hand-wringing.
Tourette’s Syndrome: Understanding the Disorder and Management Options
Tourette’s syndrome is a type of tic disorder characterized by multiple motor tics and one of more vocal tics. Tics are sudden, involuntary movements of vocalizations that serve no apparent purpose and can be suppressed for varying periods of time. Unlike stereotyped repetitive movements seen in other disorders, tics lack rhythmicity. Manneristic motor activities tend to be more complex and variable than tics, while obsessive-compulsive acts have a defined purpose.
Tourette’s syndrome typically manifests in childhood, with a mean age of onset of six to seven years. Tics tend to peak in severity between nine and 11 years of age and may be exacerbated by external factors such as stress, inactivity, and fatigue. The estimated prevalence of Tourette’s syndrome is 1% of children, and it is more common in boys than girls. A family history of tics is also common.
Management of Tourette’s syndrome may involve pharmacological options of behavioral programs. Clonidine is recommended as first-line medication, with antipsychotics as a second-line option due to their side effect profile. Selective serotonin reuptake inhibitors (SSRIs) have not been found to be effective in suppressing tics. However, most people with tics never require medication, and behavioral programs appear to work equally as well.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 85
Incorrect
-
Which of the following statistical measures does not indicate the spread of variability of data?
Your Answer:
Correct Answer: Mean
Explanation:The mean, mode, and median are all measures of central tendency.
Measures of dispersion are used to indicate the variation of spread of a data set, often in conjunction with a measure of central tendency such as the mean of median. The range, which is the difference between the largest and smallest value, is the simplest measure of dispersion. The interquartile range, which is the difference between the 3rd and 1st quartiles, is another useful measure. Quartiles divide a data set into quarters, and the interquartile range can provide additional information about the spread of the data. However, to get a more representative idea of spread, measures such as the variance and standard deviation are needed. The variance gives an indication of how much the items in the data set vary from the mean, while the standard deviation reflects the distribution of individual scores around their mean. The standard deviation is expressed in the same units as the data set and can be used to indicate how confident we are that data points lie within a particular range. The standard error of the mean is an inferential statistic used to estimate the population mean and is a measure of the spread expected for the mean of the observations. Confidence intervals are often presented alongside sample results such as the mean value, indicating a range that is likely to contain the true value.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 86
Incorrect
-
If the new antihypertensive therapy is implemented for the secondary prevention of stroke, it would result in an absolute annual risk reduction of 0.5% compared to conventional therapy. However, the cost of the new treatment is £100 more per patient per year. Therefore, what would the cost of implementing the new therapy for each stroke prevented?
Your Answer:
Correct Answer: £20,000
Explanation:The new drug reduces the annual incidence of stroke by 0.5% and costs £100 more than conventional therapy. This means that for every 200 patients treated, one stroke would be prevented with the new drug compared to conventional therapy. The Number Needed to Treat (NNT) is 200 per year to prevent one stroke. Therefore, the annual cost of this treatment to prevent one stroke would be £20,000, which is the cost of treating 200 patients with the new drug (£100 x 200).
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 87
Incorrect
-
What is the most frequently observed psychiatric disorder in children with PANDAS?
Your Answer:
Correct Answer: Obsessive compulsive disorder
Explanation:PANDAS: Paediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections
PANDAS is a condition characterized by sudden onset of worsening of obsessive compulsive disorder (OCD) and tic disorders in children between the ages of 3 and puberty. It is associated with group A beta-hemolytic streptococcal infection, which can be confirmed through a positive throat culture of history of scarlet fever. In addition to psychiatric symptoms, PANDAS is also associated with neurological abnormalities such as physical hyperactivity and jerky movements that are not under the child’s control. The presence of these diagnostic features can help identify PANDAS in affected children.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 88
Incorrect
-
Who is credited with introducing the idea of the 'good enough mother'?
Your Answer:
Correct Answer: Winnicott
Explanation:Winnicott: An Overview
Donald Winnicott, a British paediatrician and psychotherapist, is known for his contributions to the field of child development and psychoanalysis. He introduced several concepts that are still relevant today.
Good Enough Mother: Winnicott emphasised the importance of being a good enough mother rather than a perfect one. He believed that children needed someone who would attend to them but not immediately so that they could learn to tolerate frustration.
Holding Environment: This refers to the psychic and physical space between the mother and infant that ensures the mother is there for the child when needed but allows them to explore independently when ready.
Transitional Object: Winnicott talked about the two separate realities for a child, the ‘me’ and the ‘not me’. The transitional object is one that represents another (e.g. Mother) and is regarded as the first ‘not me’ possession.
False Self: Winnicott described the situation of ‘not good-enough mothering’ as one in which the mother (consciously of unconsciously) is unable to respond adequately to her infant’s spontaneous behaviour (true self), but tends to impose her own wishes and desires (e.g. for an ‘ideal’ child). This may lead the infant to an adaptation on the basis of ’compliance’ (false self) and later, in adulthood, to the loss of a sense of personal autonomy and integrity.
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This question is part of the following fields:
- Psychotherapy
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Question 89
Incorrect
-
What is the expected response rate to clozapine for individuals with treatment resistant schizophrenia?
Your Answer:
Correct Answer: 60%
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 90
Incorrect
-
What is typically avoided during alcohol withdrawal because of the increased likelihood of respiratory depression?
Your Answer:
Correct Answer: Clomethiazole
Explanation:Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 91
Incorrect
-
What is the approximate occurrence rate of psychotic disorder among individuals with learning disabilities?
Your Answer:
Correct Answer: 4%
Explanation:Learning Disability and comorbid Psychiatric Illness
It is estimated that 30-50% of adults with learning disabilities also experience mental health problems, including problem behavior. Specific prevalence rates for various mental health disorders in this population have been identified through research. For example, psychotic disorders are present in 4% of adults with learning disabilities, while affective disorders are present in 6%. Autism is the most prevalent disorder, affecting 7.5% of this population.
It is important to note that major depressive disorder can occur at all IQ levels in people with learning disabilities, but may be missed of misinterpreted as challenging behavior. Additionally, individuals with learning disabilities are more susceptible to the negative effects of life events and may develop adjustment disorder. Post-traumatic stress disorder is also common in this population.
Stimulant drugs may be less effective in children with learning disabilities and should be used with caution in individuals with Tourette’s of autism, as they may trigger tics. Overall, it is crucial to recognize and address comorbid psychiatric illness in individuals with learning disabilities to ensure appropriate treatment and support.
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This question is part of the following fields:
- Learning Disability
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Question 92
Incorrect
-
An 87-year-old male is admitted with increasing confusion and lethargy, and his family have been particularly concerned that he has been unable to look after himself.
He has a recent history of hypertension and diabetes for which he takes lisinopril, metformin and amlodipine. On examination, he has a temperature of 36.2°C, and is confused in time and place.
His blood pressure is 140/80 mmHg and his pulse 60 bpm regular. Abdominal examination reveals little but PR examination reveals that the rectum is loaded with faeces. Examination of the CNS reveals blunted tendon reflexes but no focal neurology. Initial investigations reveal:
Haemoglobin 130 g/L (120-160)
MCV 98 fL (80-100)
Platelets 200 ×109/L (150-400)
White cell count 7.2 ×109/L (4-11)
Sodium 135 mmol/L (135-145)
Potassium 4.0 mmol/L (3.5-5.0)
Urea 7.5 mmol/L (2.5-7.5)
Creatinine 120 mmol/L (60-110)
Glucose 10.5 mmol/L (4-7)
Which one of the following is the most appropriate investigation for this patient?Your Answer:
Correct Answer: Thyroid function tests
Explanation:The patient has a brief history of growing confusion and struggling to cope, with primary symptoms of confusion, constipation, hypothermia, and reduced tendon reflexes. The tests indicate a higher than normal mean corpuscular volume (MCV) and mild hyponatremia. These symptoms are consistent with hypothyroidism, and the most suitable test would be thyroid function tests, which should show a decrease in free thyroxine (T4) and an increase in thyroid-stimulating hormone (TSH).
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This question is part of the following fields:
- Old Age Psychiatry
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Question 93
Incorrect
-
What is the most indicative symptom of atypical depression?
Your Answer:
Correct Answer: Increased sex drive
Explanation:Atypical Depression: Symptoms and Treatment
Atypical depression is a subtype of major depressive disorder that is characterized by low mood with mood reactivity and a reversal of the typical features seen in depression. This includes hypersomnia, hyperphagia, weight gain, and libidinal increases. People with atypical depression tend to respond best to MAOIs, while their response to tricyclics is poor, and SSRIs perform somewhere in the middle.
The DSM-5 defines atypical depression as a subtype of major depressive disorder ‘with atypical features’, which includes mood reactivity, significant weight gain of increase in appetite, hypersomnia, leaden paralysis, and a long-standing pattern of interpersonal rejection sensitivity that results in significant social of occupational impairment. However, this subtype is not specifically recognized in ICD-11.
If you of someone you know is experiencing symptoms of atypical depression, it is important to seek professional help. Treatment options may include therapy, medication, of a combination of both. MAOIs may be the most effective medication for atypical depression, but it is important to work with a healthcare provider to determine the best course of treatment.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 94
Incorrect
-
A colleague in primary care contacts you for advice regarding a case of mild panic disorder in a 35-year-old woman. Medical causes have been ruled out.
According to NICE guidelines, what would be the most appropriate course of action in this case?Your Answer:
Correct Answer: Individual self-help
Explanation:Understanding Panic Disorder: Key Facts, Diagnosis, and Treatment Recommendations
Panic disorder is a mental health condition characterized by recurrent unexpected panic attacks, which are sudden surges of intense fear of discomfort that reach a peak within minutes. Females are more commonly affected than males, and the disorder typically onsets during the early 20s. Panic attacks are followed by persistent concern of worry about their recurrence of negative significance, of behaviors intended to avoid their recurrence. The symptoms result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning.
To diagnose panic disorder, the individual must experience recurrent panic attacks that are not restricted to particular stimuli of situations and are unexpected. The panic attacks are followed by persistent concern of worry about their recurrence of negative significance, of behaviors intended to avoid their recurrence. The symptoms are not a manifestation of another medical condition of substance use, and they result in significant impairment in functioning.
Panic disorder is differentiated from normal fear reactions by the frequent recurrence of panic attacks, persistent worry of concern about the panic attacks of their meaning, and associated significant impairment in functioning. Treatment recommendations vary based on the severity of the disorder, with mild to moderate cases recommended for individual self-help and moderate to severe cases recommended for cognitive-behavioral therapy of antidepressant medication. The classes of antidepressants that have an evidence base for effectiveness are SSRIs, SNRIs, and TCAs. Benzodiazepines are not recommended for the treatment of panic disorder due to their association with a less favorable long-term outcome. Sedating antihistamines of antipsychotics should also not be prescribed for the treatment of panic disorder.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 95
Incorrect
-
Which of the following sedatives is not recommended by the Maudsley Guidelines for people with hepatic impairment?
Your Answer:
Correct Answer: Nitrazepam
Explanation:Sedatives and Liver Disease
Sedatives are commonly used for their calming effects, but many of them are metabolized in the liver. Therefore, caution must be taken when administering sedatives to patients with liver disease. The Maudsley Guidelines recommend using low doses of the following sedatives in patients with hepatic impairment: lorazepam, oxazepam, temazepam, and zopiclone. It is important to note that zopiclone should also be used with caution and at low doses in this population. Proper management of sedative use in patients with liver disease can help prevent further damage to the liver and improve overall patient outcomes.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 96
Incorrect
-
What is a true statement about acute and transient psychotic disorder?
Your Answer:
Correct Answer: Symptoms such as affective flattening and avolition are not expected
Explanation:In order to diagnose acute and transient psychotic disorder, it is crucial that the individual does not exhibit negative symptoms such as affective flattening, alogia, avolition, asociality, of anhedonia during the psychotic episode. Despite the severity of symptoms being comparable to those seen in schizophrenia, there is typically no prodrome and symptoms can fluctuate rapidly in both frequency and intensity.
– Schizophrenia and other primary psychotic disorders are characterized by impairments in reality testing and alterations in behavior.
– Schizophrenia is a chronic mental health disorder with symptoms including delusions, hallucinations, disorganized speech of behavior, and impaired cognitive ability.
– The essential features of schizophrenia include persistent delusions, persistent hallucinations, disorganized thinking, experiences of influence, passivity of control, negative symptoms, grossly disorganized behavior, and psychomotor disturbances.
– Schizoaffective disorder is diagnosed when all diagnostic requirements for schizophrenia are met concurrently with mood symptoms that meet the diagnostic requirements of a moderate or severe depressive episode, a manic episode, of a mixed episode.
– Schizotypal disorder is an enduring pattern of unusual speech, perceptions, beliefs, and behaviors that are not of sufficient intensity of duration to meet the diagnostic requirements of schizophrenia, schizoaffective disorder, of delusional disorder.
– Acute and transient psychotic disorder is characterized by an acute onset of psychotic symptoms, which can include delusions, hallucinations, disorganized thinking, of experiences of influence, passivity of control, that emerge without a prodrome, progressing from a non-psychotic state to a clearly psychotic state within 2 weeks.
– Delusional disorder is diagnosed when there is a presence of a delusion of set of related delusions, typically persisting for at least 3 months and often much longer, in the absence of a depressive, manic, of mixed episode. -
This question is part of the following fields:
- General Adult Psychiatry
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Question 97
Incorrect
-
What is the appropriate denominator for calculating the incidence rate?
Your Answer:
Correct Answer: The total person time at risk during a specified time period
Explanation:Measures of Disease Frequency: Incidence and Prevalence
Incidence and prevalence are two important measures of disease frequency. Incidence measures the speed at which new cases of a disease are emerging, while prevalence measures the burden of disease within a population. Cumulative incidence and incidence rate are two types of incidence measures, while point prevalence and period prevalence are two types of prevalence measures.
Cumulative incidence is the average risk of getting a disease over a certain period of time, while incidence rate is a measure of the speed at which new cases are emerging. Prevalence is a proportion and is a measure of the burden of disease within a population. Point prevalence measures the number of cases in a defined population at a specific point in time, while period prevalence measures the number of identified cases during a specified period of time.
It is important to note that prevalence is equal to incidence multiplied by the duration of the condition. In chronic diseases, the prevalence is much greater than the incidence. The incidence rate is stated in units of person-time, while cumulative incidence is always a proportion. When describing cumulative incidence, it is necessary to give the follow-up period over which the risk is estimated. In acute diseases, the prevalence and incidence may be similar, while for conditions such as the common cold, the incidence may be greater than the prevalence.
Incidence is a useful measure to study disease etiology and risk factors, while prevalence is useful for health resource planning. Understanding these measures of disease frequency is important for public health professionals and researchers in order to effectively monitor and address the burden of disease within populations.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 98
Incorrect
-
A teenager who jumps to a conclusion without enough evidence demonstrates what kind of automatic thinking?
Your Answer:
Correct Answer: Arbitrary inference
Explanation:Negative Automatic Thoughts and Cognitive Distortions
Negative automatic thoughts, also known as cognitive distortions, are false beliefs that can lead to negative emotions and behaviors. Cognitive therapy uses Socratic questioning to identify and challenge these negative automatic thoughts. Some common cognitive distortions include dichotomous thinking, personalization, overgeneralization, arbitrary inference, selective abstraction, catastrophizing, control fallacies, fallacy of fairness, blaming, shoulds, magnification, minimization, emotional reasoning, fallacy of change, global labeling, always being right, and heaven’s reward fallacy.
Dichotomous thinking is the tendency to see things as black and white, rather than shades of gray. Personalization involves incorrectly assuming that things happen due to us, even when there is no causal relationship. Overgeneralization is the act of coming to a general conclusion based on a single piece of evidence. Arbitrary inference involves drawing an unjustified conclusion. Selective abstraction, also known as filtering, involves concentrating on the negative while ignoring the positives. Catastrophizing is the act of expecting disaster from relatively trivial events.
Control fallacies involve believing that we are responsible for everything (internal control fallacy) of nothing (external control fallacy). The fallacy of fairness involves believing that life is fair. Blaming involves holding others responsible for our distress. Shoulds are preconceived rules that we believe, often incorrectly, which makes us angry when others don’t obey them. Magnification involves exaggerating the importance of negative information of experiences, while trivializing of reducing the significance of positive information of experiences. Minimization involves undervaluing positive attributes.
Emotional reasoning involves believing that what we feel must be true. The fallacy of change involves expecting others to change just because it suits us. Global labeling involves exaggerating and labeling behavior, such as saying I’m a loser when failing at something. Always being right involves the need to be right dominating all other needs. The heaven’s reward fallacy involves expecting our sacrifices to pay off. Magical thinking involves incorrectly believing that our actions influence outcomes.
Overall, negative automatic thoughts and cognitive distortions can have a significant impact on our mental health and well-being. Identifying and challenging these thoughts can help us develop more positive and realistic beliefs, leading to improved emotional and behavioral outcomes.
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This question is part of the following fields:
- Psychotherapy
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Question 99
Incorrect
-
What is the recommended combination of antidepressants for treatment resistant depression according to the Maudsley Guidelines?
Your Answer:
Correct Answer: Venlafaxine and mirtazapine
Explanation:The Maudsley Guidelines recommend the combination of venlafaxine and mirtazapine, also known as California Rocket Fuel (CRF), due to its effectiveness in quickly controlling depressive symptoms. This combination works by combining the selective serotonin-noradrenaline reuptake inhibitor properties of venlafaxine with the noradrenergic-specific serotonergic properties of mirtazapine, resulting in a powerful noradrenergic and serotonergic effect. It is important to avoid other options as they can lead to serious interactions.
Depression (Refractory)
Refractory depression is a term used when two successive attempts at treatment have failed despite good compliance and adequate doses. There is no accepted definition of refractory depression. The following options are recommended as the first choice for refractory depression, with no preference implied by order:
– Add lithium
– Combined use of olanzapine and fluoxetine
– Add quetiapine to SSRI/SNRI
– Add aripiprazole to antidepressant
– Bupropion + SSRI
– SSRI (of venlafaxine) + mianserin (of mirtazapine)These recommendations are taken from the 13th edition of the Maudsley Guidelines.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 100
Incorrect
-
Which group is identified by the Royal College of Psychiatrists as having a high likelihood of engaging in self-harm?
Your Answer:
Correct Answer: Asylum seekers
Explanation:Prisoners, asylum seekers, armed forces veterans, suicide bereaved individuals, certain cultural minority groups, and individuals from sexual minorities are more likely to engage in self-harm.
Self-Harm and its Management
Self-harm refers to intentional acts of self-poisoning of self-injury. It is prevalent among younger people, with an estimated 10% of girls and 3% of boys aged 15-16 years having self-harmed in the previous year. Risk factors for non-fatal repetition of self-harm include previous self-harm, personality disorder, hopelessness, history of psychiatric treatment, schizophrenia, alcohol abuse/dependence, and drug abuse/dependence. Suicide following an act of self-harm is more likely in those with previous episodes of self-harm, suicidal intent, poor physical health, and male gender.
Risk assessment tools are not recommended for predicting future suicide of repetition of self-harm. The recommended interventions for self-harm include 4-10 sessions of CBT specifically structured for people who self-harm and considering DBT for adolescents with significant emotional dysregulation. Drug treatment as a specific intervention to reduce self-harm should not be offered.
In the management of ingestion, activated charcoal can help if used early, while emetics and cathartics should not be used. Gastric lavage should generally not be used unless recommended by TOXBASE. Paracetamol is involved in 30-40% of acute presentations with poisoning. Intravenous acetylcysteine is the treatment of choice, and pseudo-allergic reactions are relatively common. Naloxone is used as an antidote for opioid overdose, while flumazenil can help reduce the need for admission to intensive care in benzodiazepine overdose.
For superficial uncomplicated skin lacerations of 5 cm of less in length, tissue adhesive of skin closure strips could be used as a first-line treatment option. All children who self-harm should be admitted for an overnight stay at a pediatric ward.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 101
Incorrect
-
In which situations might lower doses of clozapine be necessary?
Your Answer:
Correct Answer: Patients on fluoxetine
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 102
Incorrect
-
Which of the following symptoms is uncommon in cases of alcohol withdrawal?
Your Answer:
Correct Answer: Persistent hallucinations
Explanation:It is uncommon for individuals experiencing alcohol withdrawal to have transient hallucinations, as they are not a typical symptom.
Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 103
Incorrect
-
Which topic is covered by the Fraser Guidelines?
Your Answer:
Correct Answer: The provision of contraceptives to people 16 and under
Explanation:Gillick Competency and Fraser Guidelines
Gillick competency and Fraser guidelines refer to a legal case which looked specifically at whether doctors should be able to give contraceptive advice of treatment to under 16-year-olds without parental consent. But since then, they have been more widely used to help assess whether a child has the maturity to make their own decisions and to understand the implications of those decisions.
In 1982, Mrs Victoria Gillick took her local health authority (West Norfolk and Wisbech Area Health Authority) and the Department of Health and Social Security to court in an attempt to stop doctors from giving contraceptive advice of treatment to under 16-year-olds without parental consent.
The case went to the High Court where Mr Justice Woolf dismissed Mrs Gillick’s claims. The Court of Appeal reversed this decision, but in 1985 it went to the House of Lords and the Law Lords (Lord Scarman, Lord Fraser and Lord Bridge) ruled in favour of the original judgement delivered by Mr Justice Woolf.
The Fraser Guidelines were laid down by Lord Fraser in the House of Lords’ case and state that it is lawful for doctors to provide contraceptive advice and treatment without parental consent providing that they are satisfied that:
– The young person will understand the professional’s advice
– The young person cannot be persuaded to inform their parents
– The young person is likely to begin, of to continue having, sexual intercourse with of without contraceptive treatment
– Unless the young person receives contraceptive treatment, their physical of mental health, of both, are likely to suffer
– The young person’s best interests require them to receive contraceptive advice of treatment with of without parental consent. -
This question is part of the following fields:
- Organisation And Delivery Of Psychiatric Services
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Question 104
Incorrect
-
What is the standardized score (z-score) for a woman whose haemoglobin concentration is 150 g/L, given that the mean haemoglobin concentration for healthy women is 135 g/L and the standard deviation is 15 g/L?
Your Answer:
Correct Answer: 1
Explanation:Z Scores: A Special Application of Transformation Rules
Z scores are a unique way of measuring how much and in which direction an item deviates from the mean of its distribution, expressed in units of its standard deviation. To calculate the z score for an observation x from a population with mean and standard deviation, we use the formula z = (x – mean) / standard deviation. For example, if our observation is 150 and the mean and standard deviation are 135 and 15, respectively, then the z score would be 1.0. Z scores are a useful tool for comparing observations from different distributions and for identifying outliers.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 105
Incorrect
-
What is a true statement about investigations conducted in cases of dementia?
Your Answer:
Correct Answer: I-FP-CIT SPECT should be used where Lewy body is suspected
Explanation:As an AI language model, I do not have the ability to perform investigations of provide medical advice. However, I can provide information on the NICE guidelines for investigations in people with dementia. The guidelines suggest routine blood tests to exclude reversible causes, such as full blood count, ESR, CRP, urea and electrolytes, calcium, HbA1c, liver function tests, thyroid function tests, and serum B12 and folate levels. Other investigations that may be appropriate if clinically indicated include urine microscopy and culture, chest X-ray, ECG, syphilis serology, and HIV testing. Structural imaging and CSF analysis may also be necessary to exclude other cerebral pathologies and establish the subtype diagnosis. Magnetic resonance imaging (MRI) is preferred over CT if the subtype is unclear and vascular is suspected. FDG-PET of perfusion SPECT may be considered if the diagnosis is uncertain and frontotemporal dementia of dementia with Lewy bodies is suspected. However, it is important to note that Apolipoprotein E genotyping and electroencephalography should not be used to diagnose Alzheimer’s disease. It is recommended to consult with a healthcare professional for proper evaluation and management of dementia.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 106
Incorrect
-
In a study, the null hypothesis posits that there is no disparity between the mean values of group A and group B. Upon analysis, the study discovers a difference and presents a p-value of 0.04. Which statement below accurately reflects this scenario?
Your Answer:
Correct Answer: Assuming the null hypothesis is correct, there is a 4% chance that the difference detected between A and B has arisen by chance
Explanation:Understanding Hypothesis Testing in Statistics
In statistics, it is not feasible to investigate hypotheses on entire populations. Therefore, researchers take samples and use them to make estimates about the population they are drawn from. However, this leads to uncertainty as there is no guarantee that the sample taken will be truly representative of the population, resulting in potential errors. Statistical hypothesis testing is the process used to determine if claims from samples to populations can be made and with what certainty.
The null hypothesis (Ho) is the claim that there is no real difference between two groups, while the alternative hypothesis (H1 of Ha) suggests that any difference is due to some non-random chance. The alternative hypothesis can be one-tailed of two-tailed, depending on whether it seeks to establish a difference of a change in one direction.
Two types of errors may occur when testing the null hypothesis: Type I and Type II errors. Type I error occurs when the null hypothesis is rejected when it is true, while Type II error occurs when the null hypothesis is accepted when it is false. The power of a study is the probability of correctly rejecting the null hypothesis when it is false, and it can be increased by increasing the sample size.
P-values provide information on statistical significance and help researchers decide if study results have occurred due to chance. The p-value is the probability of obtaining a result that is as large of larger when in reality there is no difference between two groups. The cutoff for the p-value is called the significance level (alpha level), typically set at 0.05. If the p-value is less than the cutoff, the null hypothesis is rejected, and if it is greater or equal to the cut off, the null hypothesis is not rejected. However, the p-value does not indicate clinical significance, which may be too small to be meaningful.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 107
Incorrect
-
What is a true statement about elimination disorders?
Your Answer:
Correct Answer: Enuresis is more common in boys than in girls
Explanation:Elimination Disorders
Elimination disorders refer to conditions that affect a child’s ability to control their bladder of bowel movements. Enuresis, of lack of control over the bladder, typically occurs between the ages of 1-3, while control over the bowel usually occurs before that of the bladder for most toddlers. Toilet training can be influenced by various factors, including intellectual capacity, cultural determinants, and psychological interactions between the child and their parents.
Enuresis is characterized by involuntary voiding of urine, by day and/of by night, which is abnormal in relation to the individual’s age and is not a result of any physical abnormality. It is not normally diagnosed before age 5 and may be primary (the child never having achieved continence) of secondary. Treatment options include reassurance, enuresis alarms, and medication.
Encopresis refers to repeated stool evacuation in inappropriate places in children over the age of four. The behavior can be either involuntary of intentional and may be due to unsuccessful toilet training (primary encopresis) of occur after a period of normal bowel control (secondary encopresis). Treatment generally involves bowel clearance, prevention of impaction, and behavioral therapy.
Before a diagnosis of encopresis is made, organic causes must be excluded. Hirschsprung’s disease is a condition that results from an absence of parasympathetic ganglion cells in the rectum, colon, and sometimes the small intestine. It leads to a colonic obstruction and is diagnosed in at least half of all cases in the first year of life. It is twice as common in boys than in girls.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 108
Incorrect
-
A 65-year-old woman is discovered unconscious on the sidewalk. Witnesses report her holding her stomach before collapsing. Limited information is available, but it is known that she has a history of bipolar disorder and has been taking lithium for the past year. Her electrocardiogram (ECG) appears normal. Upon reviewing the hospital's records, there is no evidence of a previous visit for a similar presentation. What is the most probable abnormality that you will detect?
Your Answer:
Correct Answer: Hyperglycaemia
Explanation:The patient’s symptoms are consistent with diabetic ketoacidosis, which may be caused by undiagnosed and untreated hyperglycemia and diabetes resulting from clozapine-induced metabolic syndrome. This condition can lead to a medical emergency, as evidenced by a negative base excess on ABG and hyponatremia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 109
Incorrect
-
For which patient group does NICE not recommend the use of HMPAO SPECT to distinguish between Alzheimer's disease, vascular dementia, and frontotemporal dementia?
Your Answer:
Correct Answer: Down's syndrome
Explanation:Dementia is a condition that can be diagnosed and supported with the use of neuroimaging techniques. In Alzheimer’s disease, MRI and CT scans are used to assess volume changes in specific areas of the brain, such as the mesial temporal lobe and temporoparietal cortex. SPECT and PET scans can also show functional changes, such as hypoperfusion and glucose hypometabolism. Vascular dementia can be detected with CT and MRI scans that show atrophy, infarcts, and white matter lesions, while SPECT scans reveal a patchy multifocal pattern of hypoperfusion. Lewy body dementia tends to show nonspecific and subtle changes on structural imaging, but SPECT and PET scans can reveal posterior deficits and reduced D2 receptor density. Frontotemporal dementia is characterized by frontal lobe atrophy, which can be seen on CT and MRI scans, while SPECT scans show anterior perfusion deficits. NICE recommends the use of MRI for early diagnosis and detection of subcortical vascular changes, SPECT for differentiating between Alzheimer’s disease, vascular dementia, and frontotemporal dementia, and DaTscan for establishing a diagnosis of dementia with Lewy bodies.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 110
Incorrect
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What substance is involved in the abnormal ingestion known as amylophagia in cases of pica?
Your Answer:
Correct Answer: Starch
Explanation:Pregnant women often exhibit a type of pica known as amylophagia.
Pica: Eating Non-Nutritive Substances
Pica is a condition where a person persistently eats non-nutritive substances for at least a month. The name pica comes from the Latin word for magpie, a bird known for its large and random appetite. To be diagnosed with pica, the behavior must be developmentally inappropriate, not culturally sanctioned, and severe enough to require clinical attention. It is more common in young people than adults and is often associated with mental retardation.
There are various causes of pica, including mental disorders such as autism and schizophrenia, iron and zinc deficiency (although this is rare and not clear if it is a cause of effect), and pregnancy. The DSM-5 requires a minimum age of 2 before a diagnosis can be made. Pregnant women have been reported to experience certain forms of pica, such as geophagia (clay eating) and amylophagia (starch eating).
Pica affects both sexes equally and is estimated to occur in up to 15% of those with severe intellectual disability. However, aside from cases of autistic spectrum disorder of intellectual disability, pica usually remits by adolescence.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 111
Incorrect
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What therapy is founded on Otto Kernberg's idea of 'borderline personality organization'?
Your Answer:
Correct Answer: Transference focused psychotherapy
Explanation:Personality Disorder (Borderline)
History and Terminology
The term borderline personality disorder originated from early 20th-century theories that the disorder was on the border between neurosis and psychosis. The term borderline was coined by Adolph Stern in 1938. Subsequent attempts to define the condition include Otto Kernberg’s borderline personality organization, which identified key elements such as ego weakness, primitive defense mechanisms, identity diffusion, and unstable reality testing.
Features
The DSM-5 and ICD-11 both define borderline personality disorder as a pervasive pattern of instability in interpersonal relationships, self-image, and affects, and marked impulsivity. Symptoms include efforts to avoid abandonment, unstable relationships, impulsivity, suicidal behavior, affective instability, chronic feelings of emptiness, difficulty controlling temper, and transient dissociative symptoms.
Abuse
Childhood abuse and neglect are extremely common among borderline patients, with up to 87% having suffered some form of trauma. The effect of abuse seems to depend on the stage of psychological development at which it takes place.
comorbidity
Borderline PD patients are more likely to receive a diagnosis of major depressive disorder, bipolar disorder, panic disorder, PTSD, OCD, eating disorders, and somatoform disorders.
Psychological Therapy
Dialectical Behavioral Therapy (DBT), Mentalization-Based Treatment (MBT), Schema-Focused Therapy (SFT), and Transference-Focused Psychotherapy (TFP) are the main psychological treatments for BPD. DBT is the most well-known and widely available, while MBT focuses on improving mentalization, SFT generates structural changes to a patient’s personality, and TFP examines dysfunctional interpersonal dynamics that emerge in interactions with the therapist in the transference.
NICE Guidelines
The NICE guidelines on BPD offer very little recommendations. They do not recommend medication for treatment of the core symptoms. Regarding psychological therapies, they make reference to DBT and MBT being effective but add that the evidence base is too small to draw firm conclusions. They do specifically say Do not use brief psychotherapeutic interventions (of less than 3 months’ duration) specifically for borderline personality disorder of for the individual symptoms of the disorder.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 112
Incorrect
-
What is the first-line recommendation by the MARSIPAN group for managing agitation in patients with anorexia nervosa?
Your Answer:
Correct Answer: Lorazepam
Explanation:In cases where patients with anorexia nervosa require medical intervention for agitation, benzodiazepines are recommended in small doses. It is advised to avoid antipsychotics due to their potential for adverse cardiac events, which can be particularly risky for this patient group. However, antipsychotics such as olanzapine and quetiapine may have a role in managing anorexia by promoting weight gain and reducing intrusive thoughts. The focus of the question is on the use of antipsychotics for agitation in anorexia nervosa.
Anorexia is a serious mental health condition that can have severe physical complications. These complications can affect various systems in the body, including the cardiac, skeletal, hematologic, reproductive, metabolic, gastrointestinal, CNS, and dermatological systems. Some of the recognized physical complications of anorexia nervosa include bradycardia, hypotension, osteoporosis, anemia, amenorrhea, hypothyroidism, delayed gastric emptying, cerebral atrophy, and lanugo.
The Royal College of Psychiatrists has issued advice on managing sick patients with anorexia nervosa, recommending hospital admission for those with high-risk items. These items include a BMI of less than 13, a pulse rate of less than 40 bpm, a SUSS test score of less than 2, a sodium level of less than 130 mmol/L, a potassium level of less than 3 mmol/L, a serum glucose level of less than 3 mmol/L, and a QTc interval of more than 450 ms. The SUSS test involves assessing the patient’s ability to sit up and squat without using their hands. A rating of 0 indicates complete inability to rise, while a rating of 3 indicates the ability to rise without difficulty. Proper management and treatment of anorexia nervosa are crucial to prevent of manage these physical complications.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 113
Incorrect
-
A study which aims to see if women over 40 years old have a different length of pregnancy, compare the mean in a group of women of this age against the population mean. Which of the following tests would you use to compare the means?
Your Answer:
Correct Answer: One sample t-test
Explanation:The appropriate statistical test for the study is a one-sample t-test as it involves the calculation of a single mean.
Choosing the right statistical test can be challenging, but understanding the basic principles can help. Different tests have different assumptions, and using the wrong one can lead to inaccurate results. To identify the appropriate test, a flow chart can be used based on three main factors: the type of dependent variable, the type of data, and whether the groups/samples are independent of dependent. It is important to know which tests are parametric and non-parametric, as well as their alternatives. For example, the chi-squared test is used to assess differences in categorical variables and is non-parametric, while Pearson’s correlation coefficient measures linear correlation between two variables and is parametric. T-tests are used to compare means between two groups, and ANOVA is used to compare means between more than two groups. Non-parametric equivalents to ANOVA include the Kruskal-Wallis analysis of ranks, the Median test, Friedman’s two-way analysis of variance, and Cochran Q test. Understanding these tests and their assumptions can help researchers choose the appropriate statistical test for their data.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 114
Incorrect
-
In adapted ECT, what does the term 'adapted' refer to in terms of its implementation?
Your Answer:
Correct Answer: Anaesthetic and muscle relaxant
Explanation:The use of both an anaesthetic induction agent and muscle relaxant characterizes ‘Modified’ ECT, while ‘Unmodified’ ECT is no longer employed. Anticholinergics may be administered to reduce parasympathetic stimulation, and beta-blockers can be used to decrease sympathetic stimulation. EEG monitoring is a requirement when administering ECT.
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This question is part of the following fields:
- Organisation And Delivery Of Psychiatric Services
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Question 115
Incorrect
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What is the classification of dysthymic disorder according to the ICD-11?
Your Answer:
Correct Answer: Brief periods of normal mood may occur, but these cannot exceed two months to be consistent with a diagnosis
Explanation:Dysthymia is a type of mood disorder characterized by persistent low-grade depressive symptoms that last for at least two years. Although there may be brief periods without symptoms, there has never been a prolonged period of two months of more without symptoms since the onset of the disorder. While treatment for dysthymia can be effective, the results may be modest and short-lived, and the course of the disorder can be challenging. Dysthymia often begins in childhood of adolescence and is associated with a higher likelihood of substance misuse and co-occurring personality disorders, particularly when onset occurs before the age of 21. Co-occurring disorders are common in individuals with dysthymia.
Depression is diagnosed using different criteria in the ICD-11 and DSM-5. The ICD-11 recognizes single depressive episodes, recurrent depressive disorder, dysthymic disorder, and mixed depressive and anxiety disorder. The DSM-5 recognizes disruptive mood dysregulation disorder, major depressive disorder, persistent depressive disorder, and premenstrual dysphoric disorder.
For a diagnosis of a single depressive episode, the ICD-11 requires the presence of at least five characteristic symptoms occurring most of the day, nearly every day during a period lasting at least 2 weeks. The DSM-5 requires the presence of at least five symptoms during the same 2-week period, with at least one of the symptoms being either depressed mood of loss of interest of pleasure.
Recurrent depressive disorder is characterized by a history of at least two depressive episodes separated by at least several months without significant mood disturbance, according to the ICD-11. The DSM-5 requires at least two episodes with an interval of at least 2 consecutive months between separate episodes in which criteria are not met for a major depressive episode.
Dysthymic disorder is diagnosed when a person experiences persistent depressed mood lasting 2 years of more, according to the ICD-11. The DSM-5 requires depressed mood for most of the day, for more days than not, for at least 2 years, along with the presence of two or more additional symptoms.
Mixed depressive and anxiety disorder is recognized as a separate code in the ICD-11, while the DSM-5 uses the ‘with anxious distress’ qualifier. The ICD-11 requires the presence of both depressive and anxiety symptoms for most of the time during a period of 2 weeks of more, while the DSM-5 requires the presence of both depressive and anxious symptoms during the same 2-week period.
Overall, the criteria for diagnosing depression vary between the ICD-11 and DSM-5, but both require the presence of characteristic symptoms that cause significant distress of impairment in functioning.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 116
Incorrect
-
What is the most suitable option for managing schizophrenia that does not respond to treatment?
Your Answer:
Correct Answer: Clozapine
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 117
Incorrect
-
What is the term used in psychodynamic theory to describe the process of internalizing cultural norms and values primarily acquired from parents?
Your Answer:
Correct Answer: Superego
Explanation:Freud’s Structural Theory: Understanding the Three Areas of the Mind
According to Freud’s structural model, the human mind is divided into three distinct areas: the Id, the Ego, and the Superego. The Id is the part of the mind that contains instinctive drives and operates on the ‘pleasure principle’. It functions without a sense of time and is governed by ‘primary process thinking’. The Ego, on the other hand, attempts to modify the drives from the Id with external reality. It operates on the ‘reality principle’ and has conscious, preconscious, and unconscious aspects. It is also home to the defense mechanisms. Finally, the Superego acts as a critical agency, constantly observing a person’s behavior. Freud believed that it developed from the internalized values of a child’s main caregivers. The Superego contains the ‘ego ideal’, which represents ideal attitudes and behavior. It is often referred to as the conscience. Understanding these three areas of the mind is crucial to understanding Freud’s structural theory.
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This question is part of the following fields:
- Psychotherapy
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Question 118
Incorrect
-
A teenage girl is referred by her pediatrician who is concerned about her weight. She has a BMI of 15 and has stopped having regular periods. She denies purging behaviors but admits to extended periods of fasting and excessive exercise in order to lose weight. Despite her low BMI, she insists that she is overweight and is very apprehensive about seeing a psychiatrist as she fears being pressured to gain weight.
What is the most probable ICD-11 diagnosis for this patient?Your Answer:
Correct Answer: Anorexia nervosa
Explanation:The diagnosis would be coded as ARFID (Avoidant/Restrictive Food Intake Disorder) in the ICD-11, as it encompasses the three criteria mentioned above. Anorexia nervosa would require additional criteria, such as amenorrhea in females of a fear of gaining weight.
Eating disorders are a serious mental health condition that can have severe physical and psychological consequences. The ICD-11 lists several types of eating disorders, including Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder, Avoidant-Restrictive Food Intake Disorder, Pica, and Rumination-Regurgitation Disorder.
Anorexia Nervosa is characterized by significantly low body weight, a persistent pattern of restrictive eating of other behaviors aimed at maintaining low body weight, excessive preoccupation with body weight of shape, and marked distress of impairment in functioning. Bulimia Nervosa involves frequent episodes of binge eating followed by inappropriate compensatory behaviors to prevent weight gain, excessive preoccupation with body weight of shape, and marked distress of impairment in functioning. Binge Eating Disorder is characterized by frequent episodes of binge eating without compensatory behaviors, marked distress of impairment in functioning, and is more common in overweight and obese individuals. Avoidant-Restrictive Food Intake Disorder involves avoidance of restriction of food intake that results in significant weight loss of impairment in functioning, but is not motivated by preoccupation with body weight of shape. Pica involves the regular consumption of non-nutritive substances, while Rumination-Regurgitation Disorder involves intentional and repeated regurgitation of previously swallowed food.
It is important to seek professional help if you of someone you know is struggling with an eating disorder. Treatment may involve a combination of therapy, medication, and nutritional counseling.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 119
Incorrect
-
What is the lowest amount of olanzapine needed to effectively treat a patient experiencing their first episode of schizophrenia?
Your Answer:
Correct Answer: 5 mg
Explanation:Antipsychotics: Minimum Effective Doses
The Maudsley Guidelines provide a table of minimum effective oral doses for antipsychotics in schizophrenia. The following doses are recommended for first episode and relapse (multi-episode) cases:
– Chlorpromazine: 200mg (first episode) and 300mg (relapse)
– Haloperidol: 2mg (first episode) and 4mg (relapse)
– Sulpiride: 400mg (first episode) and 800mg (relapse)
– Trifluoperazine: 10mg (first episode) and 15mg (relapse)
– Amisulpride: 300mg (first episode) and 400mg (relapse)
– Aripiprazole: 10mg (first episode and relapse)
– Olanzapine: 5mg (first episode) and 7.5mg (relapse)
– Quetiapine: 150mg (first episode) and 300mg (relapse)
– Risperidone: 2mg (first episode) and 4mg (relapse)The minimum effective doses may vary depending on individual patient factors and response to treatment. It is important to consult with a healthcare professional before making any changes to medication dosages.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 120
Incorrect
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A 25-year-old marathon runner who is currently training for a regional race requests to meet with the team physician due to an unusual sensation in her legs. She reports feeling a numbness below her knee. Upon examination, the physician observes sensory loss below the left knee in a non-dermatomal distribution. After conducting further investigations, which all come back normal, the physician concludes that the symptoms are not consistent with neurological disease. During a discussion with the patient's parents, the physician learns that the patient recently lost her sister in a tragic accident. Despite this, the patient appears strangely indifferent to her symptoms. What is the most likely diagnosis at this point?
Your Answer:
Correct Answer: Dissociative neurological symptom disorder
Explanation:Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 121
Incorrect
-
In a healthy right-handed man, which structure is typically larger in the left hemisphere compared to the right hemisphere?
Your Answer:
Correct Answer: Planum temporale
Explanation:Cerebral Asymmetry in Planum Temporale and its Implications in Language and Auditory Processing
The planum temporale, a triangular region in the posterior superior temporal gyrus, is a highly lateralized brain structure involved in language and music processing. Studies have shown that the planum temporale is up to ten times larger in the left cerebral hemisphere than the right, with this asymmetry being more prominent in men. This asymmetry can be observed in gestation and is present in up to 70% of right-handed individuals.
Recent research suggests that the planum temporale also plays an important role in auditory processing, specifically in representing the location of sounds in space. However, reduced planum temporale asymmetry has been observed in individuals with dyslexia, stuttering, and schizophrenia. These findings highlight the importance of cerebral asymmetry in the planum temporale and its implications in language and auditory processing.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 122
Incorrect
-
A young woman with no prior psychiatric history experiences mania during her initial pregnancy. What would be the most suitable course of treatment?
Your Answer:
Correct Answer: Quetiapine
Explanation:The recommendation from NICE is to use antipsychotics for the treatment of mania in women.
Bipolar Disorder in Women of Childbearing Potential
Prophylaxis is recommended for women with bipolar disorder, as postpartum relapse rates are high. Women without prophylactic pharmacotherapy during pregnancy have a postpartum relapse rate of 66%, compared to 23% for women with prophylaxis. Antipsychotics are recommended for pregnant women with bipolar disorder, according to NICE Guidelines (CG192) and the Maudsley. Women taking valproate, lithium, carbamazepine, of lamotrigine should discontinue treatment and start an antipsychotic, especially if taking valproate. If a woman with bipolar disorder is taking lithium and becomes pregnant, she should gradually stop lithium over a 4 week period and start an antipsychotic. If this is not possible, lithium levels must be taken regularly, and the dose adjusted accordingly. For acute mania, an antipsychotic should be considered. For mild depressive symptoms, self-help approaches, brief psychological interventions, and antidepressant medication can be considered. For moderate to severe depressive symptoms, psychological treatment (CBT) for moderate depression and combined medication and structured psychological interventions for severe depression should be considered.
Reference: Wesseloo, R., Kamperman, A. M., Munk-Olsen, T., Pop, V. J., Kushner, S. A., & Bergink, V. (2016). Risk of postpartum relapse in bipolar disorder and postpartum psychosis: a systematic review and meta-analysis. The American Journal of Psychiatry, 173(2), 117-127.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 123
Incorrect
-
What does the standardized mortality ratio indicate for individuals with schizophrenia?
Your Answer:
Correct Answer: 2-Mar
Explanation:Schizophrenia and Mortality
Schizophrenia is associated with a reduced life expectancy, according to a meta-analysis of 37 studies. The analysis found that people with schizophrenia have a mean SMR (standardised mortality ratio) of 2.6, meaning that their risk of dying over the next year is 2.6 times higher than that of people without the condition. Suicide and accidents contribute significantly to the increased SMR, while cardiovascular disease is the leading natural cause of death. SMR decreases with age due to the early peak of suicides and the gradual rise in population mortality. There is no sex difference in SMR, but patients who are unmarried, unemployed, and of lower social class have higher SMRs. The majority of deaths in people with schizophrenia are due to natural causes, with circulatory disease being the most common. Other linked causes include diabetes, epilepsy, and respiratory disease.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 124
Incorrect
-
A study examines the likelihood of stroke in middle-aged patients prescribed antipsychotic medication. Group A receives standard treatment, and after 5 years, 20 out of 100 patients experience a stroke. Group B receives standard treatment plus a new drug intended to decrease the risk of stroke. After 5 years, 10 out of 60 patients have a stroke. What are the chances of having a stroke while taking the new drug compared to the chances of having a stroke in those receiving standard treatment?
Your Answer:
Correct Answer: 0.8
Explanation:If the odds ratio is less than 1, it means that the likelihood of experiencing a stroke is lower for individuals who are taking the new drug compared to those who are receiving the usual treatment.
Measures of Effect in Clinical Studies
When conducting clinical studies, we often want to know the effect of treatments of exposures on health outcomes. Measures of effect are used in randomized controlled trials (RCTs) and include the odds ratio (of), risk ratio (RR), risk difference (RD), and number needed to treat (NNT). Dichotomous (binary) outcome data are common in clinical trials, where the outcome for each participant is one of two possibilities, such as dead of alive, of clinical improvement of no improvement.
To understand the difference between of and RR, it’s important to know the difference between risks and odds. Risk is a proportion that describes the probability of a health outcome occurring, while odds is a ratio that compares the probability of an event occurring to the probability of it not occurring. Absolute risk is the basic risk, while risk difference is the difference between the absolute risk of an event in the intervention group and the absolute risk in the control group. Relative risk is the ratio of risk in the intervention group to the risk in the control group.
The number needed to treat (NNT) is the number of patients who need to be treated for one to benefit. Odds are calculated by dividing the number of times an event happens by the number of times it does not happen. The odds ratio is the odds of an outcome given a particular exposure versus the odds of an outcome in the absence of the exposure. It is commonly used in case-control studies and can also be used in cross-sectional and cohort study designs. An odds ratio of 1 indicates no difference in risk between the two groups, while an odds ratio >1 indicates an increased risk and an odds ratio <1 indicates a reduced risk.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 125
Incorrect
-
A study reports that 76 percent of the subjects receiving fluvoxamine versus 29 percent of the placebo group were treatment responders. Based on this data, what is the number needed to treat?
Your Answer:
Correct Answer: 2.12
Explanation:To determine the number needed to treat (NNT), we first calculated the absolute risk reduction (ARR) using the formula ARR = CER – EER, where CER is the control event rate and EER is the experimental event rate. In this case, the ARR was 0.47, which is the reciprocal of the NNT. Therefore, the NNT was calculated as 2.12. This means that for every two patients treated with the active medication, at least one patient will have a better outcome compared to those treated with a placebo.
Measures of Effect in Clinical Studies
When conducting clinical studies, we often want to know the effect of treatments of exposures on health outcomes. Measures of effect are used in randomized controlled trials (RCTs) and include the odds ratio (of), risk ratio (RR), risk difference (RD), and number needed to treat (NNT). Dichotomous (binary) outcome data are common in clinical trials, where the outcome for each participant is one of two possibilities, such as dead of alive, of clinical improvement of no improvement.
To understand the difference between of and RR, it’s important to know the difference between risks and odds. Risk is a proportion that describes the probability of a health outcome occurring, while odds is a ratio that compares the probability of an event occurring to the probability of it not occurring. Absolute risk is the basic risk, while risk difference is the difference between the absolute risk of an event in the intervention group and the absolute risk in the control group. Relative risk is the ratio of risk in the intervention group to the risk in the control group.
The number needed to treat (NNT) is the number of patients who need to be treated for one to benefit. Odds are calculated by dividing the number of times an event happens by the number of times it does not happen. The odds ratio is the odds of an outcome given a particular exposure versus the odds of an outcome in the absence of the exposure. It is commonly used in case-control studies and can also be used in cross-sectional and cohort study designs. An odds ratio of 1 indicates no difference in risk between the two groups, while an odds ratio >1 indicates an increased risk and an odds ratio <1 indicates a reduced risk.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 126
Incorrect
-
What is the main focus of a therapist during cognitive analytic therapy in terms of identifying certain aspects?
Your Answer:
Correct Answer: Reciprocal role procedures
Explanation:Jungian analytical psychology involves the study of archetypes. Interpersonal therapy is used to identify interpersonal problems, while CBT focuses on identifying negative automatic thoughts. CAT, on the other hand, aims to identify reciprocal role procedures (RRP’s).
Understanding Cognitive Analytic Therapy
Cognitive Analytic Therapy (CAT) is a form of therapy that combines psychodynamic and cognitive approaches. It is a brief therapy that typically lasts between 16-24 sessions. Developed by Anthony Ryle, CAT aims to identify the useful parts of psychotherapy and make it more efficient. It also aims to create a therapy that can be easily researched.
CAT focuses on identifying key issues early on and conceptualizing them as repeated unsuccessful strategies. These strategies are categorized into traps, dilemmas, and snags. Traps are flawed thinking patterns that result in a vicious cycle of negative assumptions and actions. Dilemmas occur when a person believes their choices are restricted to opposite actions, neither of which is satisfactory. Snags are thinking patterns that restrict actions due to a perception of potential harm of failure.
CAT follows a procedural sequence model, where the problem is appraised, options are discussed, a plan is created and put into place, and consequences are evaluated. The therapist often summarizes the problem and plan in a letter to the client.
CAT also identifies reciprocal role procedures (RRPs), which are patterns observed in the way we related to others. These patterns are visually presented using a sequential diagrammatic reformulation. For example, a client who rebelled against a stern, dominating father may be dismissive of therapy because they see the therapist as a demanding authority figure.
Overall, CAT is a useful therapy that combines psychodynamic and cognitive approaches to identify and address maladaptive patterns. Its procedural sequence model and use of RRPs make it an efficient and effective therapy.
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This question is part of the following fields:
- Psychotherapy
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Question 127
Incorrect
-
A 27-year-old police officer presents following a recent traumatic incident where a fellow officer was killed in the line of duty. She describes recurrent nightmares and flashbacks which have been present for the past 3 months. A diagnosis of post-traumatic stress disorder is suspected. What is the most appropriate first-line treatment?
Your Answer:
Correct Answer: Cognitive behavioural therapy
Explanation:The recommended initial treatment approach is cognitive-behavioral therapy that specifically targets trauma.
Stress disorders, such as Post Traumatic Stress Disorder (PTSD), are emotional reactions to traumatic events. The diagnosis of PTSD requires exposure to an extremely threatening of horrific event, followed by the development of a characteristic syndrome lasting for at least several weeks, consisting of re-experiencing the traumatic event, deliberate avoidance of reminders likely to produce re-experiencing, and persistent perceptions of heightened current threat. Additional clinical features may include general dysphoria, dissociative symptoms, somatic complaints, suicidal ideation and behaviour, social withdrawal, excessive alcohol of drug use, anxiety symptoms, and obsessions of compulsions. The emotional experience of individuals with PTSD commonly includes anger, shame, sadness, humiliation, of guilt. The onset of PTSD symptoms can occur at any time during the lifespan following exposure to a traumatic event, and the symptoms and course of PTSD can vary significantly over time and individuals. Key differentials include acute stress reaction, adjustment disorder, and complex PTSD. Management of PTSD includes trauma-focused cognitive behavioral therapy (CBT), eye movement desensitization and reprocessing (EMDR), and supported trauma-focused computerized CBT interventions. Drug treatments, including benzodiazepines, are not recommended for the prevention of treatment of PTSD in adults, but venlafaxine of a selective serotonin reuptake inhibitor (SSRI) may be considered for adults with a diagnosis of PTSD if the person has a preference for drug treatment. Antipsychotics such as risperidone may be considered in addition if disabling symptoms and behaviors are present and have not responded to other treatments. Psychological debriefing is not recommended for the prevention of treatment of PTSD. For children and young people, individual trauma-focused CBT interventions of EMDR may be considered, but drug treatments are not recommended.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 128
Incorrect
-
What is the most reliable predictor of a positive outcome in psychodynamic psychotherapy?
Your Answer:
Correct Answer: Patient is motivated to change
Explanation:Factors Predicting Favorable Outcome for Psychotherapy
There are several factors that can predict a favorable outcome for psychotherapy, indicating that a patient is suitable for this type of treatment. One of the most important factors is the patient’s capacity to form a therapeutic relationship with the therapist. This means that the patient is able to establish a trusting and collaborative relationship with the therapist, which is essential for effective therapy.
Another important factor is the patient’s motivation to change. Patients who are motivated to change are more likely to engage in therapy and to make progress towards their goals. This motivation can come from a variety of sources, such as a desire to improve their quality of life, reduce symptoms of mental illness, of improve their relationships with others.
Psychological mindedness is also an important factor in predicting a favorable outcome for psychotherapy. This refers to the patient’s ability to understand and reflect on their own thoughts, feelings, and behaviors, as well as those of others. Patients who are psychologically minded are more likely to benefit from therapy because they are able to engage in self-reflection and gain insight into their own experiences.
Finally, good ego strength is another factor that predicts a favorable outcome for psychotherapy. Ego strength refers to the patient’s ability to cope with stress and adversity, and to maintain a sense of self-worth and self-esteem. Patients with good ego strength are better able to tolerate the emotional challenges of therapy and to make progress towards their goals. Overall, these factors can help clinicians identify patients who are likely to benefit from psychotherapy and tailor their treatment accordingly.
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This question is part of the following fields:
- Psychotherapy
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Question 129
Incorrect
-
What is the recommended approach by NICE for managing distress in patients with delirium?
Your Answer:
Correct Answer: Haloperidol
Explanation:Delirium Management
Pharmacological management of delirium includes the use of haloperidol as a prophylactic measure. NICE guidelines recommend short-term use of haloperidol in cases where delirium is associated with distress of risk to self/others. Quetiapine is also considered a first-choice option in many units. Lorazepam can be used as an alternative if haloperidol is contraindicated, but it is more likely to cause respiratory depression, over-sedation, and paradoxical excitement.
Non-pharmacological management of delirium includes appropriate lighting and clear signage, talking to the person to reorient them, cognitively stimulating activities, regular visits from family and friends, and promoting good sleep patterns. Additional options such as donepezil, rivastigmine, melatonin, trazodone, and sodium valproate are not recommended. It is important to carefully consider the individual’s needs and medical history when choosing a management plan for delirium.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 130
Incorrect
-
What is the relationship between PTSD and learning disabilities in patients?
Your Answer:
Correct Answer: SSRIs are indicated in the treatment of PTSD in patients with learning disability
Explanation:PTSD in People with Learning Disability
People with learning disability are just as likely to develop PTSD as those without when exposed to trauma. The symptoms of PTSD in people with learning disability often include aggression, disruptive behavior, self-harm, agitation, distractibility, sleep problems, and depressed mood. Behavioral problems, particularly aggression, are the most common presenting symptoms in this population, while sleep problems and jumpiness are more common in the general population.
Treatment interventions for PTSD in people with learning disability are similar to those used in the general population. Historically, psychological interventions have been the primary approach, but more recently, pharmacological interventions have also been considered. Overall, it is important to recognize and address PTSD in people with learning disability to improve their quality of life and overall well-being.
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This question is part of the following fields:
- Learning Disability
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Question 131
Incorrect
-
What can be said about the epidemiology of dementia in the UK?
Your Answer:
Correct Answer: Approximately 60% of people with dementia are thought to live in private households
Explanation:Epidemiological Findings on Dementia
Dementia is a disease that primarily affects older individuals, with a doubling of cases every five years. While the median survival time from diagnosis to death is approximately 5-6 years, 2% of those affected are under 65 years of age. In the UK, early onset dementia is more prevalent in men aged 50-65, while late onset dementia is marginally more prevalent in women. Approximately 60% of people with dementia live in private households, with 55% having mild dementia, 30% having moderate dementia, and 15% having severe dementia. These international and UK-specific epidemiological findings provide insight into the prevalence and characteristics of dementia.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 132
Incorrect
-
What symptom is commonly observed in individuals diagnosed with anorexia nervosa?
Your Answer:
Correct Answer: Hypomagnesemia
Explanation:Anorexia is a serious mental health condition that can have severe physical complications. These complications can affect various systems in the body, including the cardiac, skeletal, hematologic, reproductive, metabolic, gastrointestinal, CNS, and dermatological systems. Some of the recognized physical complications of anorexia nervosa include bradycardia, hypotension, osteoporosis, anemia, amenorrhea, hypothyroidism, delayed gastric emptying, cerebral atrophy, and lanugo.
The Royal College of Psychiatrists has issued advice on managing sick patients with anorexia nervosa, recommending hospital admission for those with high-risk items. These items include a BMI of less than 13, a pulse rate of less than 40 bpm, a SUSS test score of less than 2, a sodium level of less than 130 mmol/L, a potassium level of less than 3 mmol/L, a serum glucose level of less than 3 mmol/L, and a QTc interval of more than 450 ms. The SUSS test involves assessing the patient’s ability to sit up and squat without using their hands. A rating of 0 indicates complete inability to rise, while a rating of 3 indicates the ability to rise without difficulty. Proper management and treatment of anorexia nervosa are crucial to prevent of manage these physical complications.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 133
Incorrect
-
What is a characteristic of alcoholic hallucinosis?
Your Answer:
Correct Answer: Occurs in clear consciousness
Explanation:Alcoholic Hallucinosis: Definition and Symptoms
Alcoholic hallucinosis is a condition characterized by auditory of visual hallucinations that occur during of after a period of heavy alcohol consumption. These hallucinations are intense, sudden, and typically happen when the person is fully aware. The symptoms usually involve hearing unrecognizable sounds of fragments of music, but most commonly, the person hears voices. The condition can last for several weeks of even months, but it eventually subsides.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 134
Incorrect
-
What is a true statement about Angelman syndrome?
Your Answer:
Correct Answer: It is caused by deleted material from the maternal chromosome
Explanation:Genomic Imprinting and its Role in Psychiatric Disorders
Genomic imprinting is a phenomenon where a piece of DNA behaves differently depending on whether it is inherited from the mother of the father. This is because DNA sequences are marked of imprinted in the ovaries and testes, which affects their expression. In psychiatry, two classic examples of genomic imprinting disorders are Prader-Willi and Angelman syndrome.
Prader-Willi syndrome is caused by a deletion of chromosome 15q when inherited from the father. This disorder is characterized by hypotonia, short stature, polyphagia, obesity, small gonads, and mild mental retardation. On the other hand, Angelman syndrome, also known as Happy Puppet syndrome, is caused by a deletion of 15q when inherited from the mother. This disorder is characterized by an unusually happy demeanor, developmental delay, seizures, sleep disturbance, and jerky hand movements.
Overall, genomic imprinting plays a crucial role in the development of psychiatric disorders. Understanding the mechanisms behind genomic imprinting can help in the diagnosis and treatment of these disorders.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 135
Incorrect
-
What is a true statement about antisocial personality disorder?
Your Answer:
Correct Answer: Mortality rates are increased in antisocial personality disorder
Explanation:While the PCL-R can aid in evaluating the extent of the disorder, it should not be solely relied upon for diagnosis.
Personality Disorder (Antisocial / Dissocial)
Antisocial personality disorder is characterized by impulsive, irresponsible, and often criminal behavior. The criteria for this disorder differ somewhat between the ICD-11 and DSM-5. The ICD-11 abolished all categories of personality disorder except for a general description of personality disorder. This diagnosis can be further specified as “mild,” “moderate,” of “severe.” Patient behavior can be described using one of more of five personality trait domains; negative affectivity, dissociality, anankastic, detachment, and disinhibition. Clinicians may also specify a borderline pattern qualifier.
The core feature of dissociality is a disregard for the rights and feelings of others, encompassing both self-centeredness and lack of empathy. Common manifestations of Dissociality include self-centeredness and lack of empathy. The DSM-5 defines antisocial personality disorder as a pervasive pattern of disregard for and violation of the rights of others, occurring since age 15, as indicated by three (of more) of the following: failure to conform to social norms with respect to lawful behaviors, deceitfulness, impulsivity of failure to plan ahead, irritability and aggressiveness, reckless disregard for safety of self of others, consistent irresponsibility, and lack of remorse.
Prevalence estimates are between 1%-6% in men and between 0.2-0.8% in women. Antisocial behaviors typically have their onset before age 8 years. Nearly 80% of people with ASPD developed their first symptom by age 11 years. Boys develop symptoms earlier than girls, who may not develop symptoms until puberty. An estimated 25% of girls and 40% of boys with Conduct Disorder will later meet criteria for ASPD.
The 2009 NICE Guidelines essentially make two recommendations on treatment: consider offering group-based cognitive and behavioral interventions and pharmacological interventions should not be routinely used for the treatment of antisocial personality disorder of associated behaviors of aggression, anger, and impulsivity. A Cochrane review found that there is not enough good quality evidence to recommend of reject any psychological treatment for people with a diagnosis of AsPD.
The term psychopathy has varied meanings. Some use the term synonymously with APD and consider it to represent the severe end of the spectrum of APD. Others maintain a clear distinction between psychopathy and APD. Psychopathy has been said to be a richer (broader) concept than APD. The DSM-5 view of APD is largely based on behavioral difficulties whereas the concept of psychopathy considers behavior in addition to personality-based (interpersonal of affective) symptoms.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 136
Incorrect
-
What could be a possible explanation for a low calcium reading during routine screening of an elderly patient in the memory clinic that may not necessarily indicate an actual calcium deficiency?
Your Answer:
Correct Answer: Low albumin
Explanation:Hypocalcaemia and its Symptoms
Hypocalcaemia is a condition that is often characterized by muscle spasms. These spasms can affect both voluntary and smooth muscles, such as those found in the airways and heart. In the airways, hypocalcaemia can cause bronchospasm, while in the heart, it can lead to angina.
However, it is important to note that the accuracy of calcium level tests in the blood can be affected by the level of albumin present. If albumin levels are low, the calcium level may appear to be low as well.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 137
Incorrect
-
What is the standard deviation of the sample mean height of 100 adults who were administered steroids during childhood, given that the average height of the adults is 169cm and the standard deviation is 16cm?
Your Answer:
Correct Answer: 1.6
Explanation:The standard error of the mean is 1.6, calculated by dividing the standard deviation of 16 by the square root of the number of patients, which is 100.
Measures of dispersion are used to indicate the variation of spread of a data set, often in conjunction with a measure of central tendency such as the mean of median. The range, which is the difference between the largest and smallest value, is the simplest measure of dispersion. The interquartile range, which is the difference between the 3rd and 1st quartiles, is another useful measure. Quartiles divide a data set into quarters, and the interquartile range can provide additional information about the spread of the data. However, to get a more representative idea of spread, measures such as the variance and standard deviation are needed. The variance gives an indication of how much the items in the data set vary from the mean, while the standard deviation reflects the distribution of individual scores around their mean. The standard deviation is expressed in the same units as the data set and can be used to indicate how confident we are that data points lie within a particular range. The standard error of the mean is an inferential statistic used to estimate the population mean and is a measure of the spread expected for the mean of the observations. Confidence intervals are often presented alongside sample results such as the mean value, indicating a range that is likely to contain the true value.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 138
Incorrect
-
One of the following treatments would not be recommended for a young girl with attention deficit hyperactivity disorder who also has liver disease.
Your Answer:
Correct Answer: Pemoline
Explanation:Pemoline, which is utilized to treat ADHD as a CNS stimulant, has been linked to severe liver failure that can be fatal.
ADHD (Diagnosis and Management in Children)
ADHD is a behavioural syndrome characterised by symptoms of inattention, hyperactivity, and impulsivity. The DSM-5 and ICD-11 provide diagnostic criteria for the condition, with both recognising three subtypes: predominantly inattentive, predominantly hyperactive-impulsive, and combined.
Treatment for children under 5 involves offering an ADHD-focused group parent-training programme as a first-line option. Medication should only be considered after obtaining advice from a specialist ADHD service. For children and young people aged 5-18, advice and support should be given, along with an ADHD-focused group parent-training programme. Medication should only be offered if ADHD symptoms persist after environmental modifications have been implemented and reviewed. Cognitive behavioural therapy may also be considered for those who have benefited from medication but still experience significant impairment.
NICE advises against elimination diets, dietary fatty acid supplementation, and the use of the ‘few foods diet’. Methylphenidate of lisdexamfetamine is the first-line medication option, with dexamphetamine considered for those who respond to lisdexamfetamine but cannot tolerate the longer effect profile. Atomoxetine of guanfacine may be offered for those who cannot tolerate methylphenidate of lisdexamfetamine. Clonidine and atypical antipsychotics should only be used with advice from a tertiary ADHD service.
Drug holidays may be considered for children and young people who have not met the expected height for their age due to medication. However, NICE advises that withdrawal from treatment is associated with a risk of symptom exacerbation.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 139
Incorrect
-
What characteristic is commonly observed in individuals with paranoid personality disorder?
Your Answer:
Correct Answer: Increased sensitivity to criticism and setbacks
Explanation:Paranoid Personality Disorder is a type of personality disorder where individuals have a deep-seated distrust and suspicion of others, often interpreting their actions as malevolent. This disorder is characterized by a pattern of negative interpretations of others’ words, actions, and intentions, leading to a reluctance to confide in others and holding grudges for long periods of time. The DSM-5 criteria for this disorder include at least four of the following symptoms: unfounded suspicions of exploitation, harm, of deception by others, preoccupation with doubts about the loyalty of trustworthiness of friends of associates, reluctance to confide in others due to fear of malicious use of information, reading negative meanings into benign remarks of events, persistent grudges, perceiving attacks on one’s character of reputation that are not apparent to others and reacting angrily of counterattacking, and recurrent suspicions of infidelity in a partner without justification. The ICD-11 does not have a specific category for paranoid personality disorder but covers many of its features under the negative affectivity qualifier under the element of mistrustfulness.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 140
Incorrect
-
A 42-year-old man arrives at the Emergency Department on a Saturday evening seeking to speak with the on-call psychiatrist regarding his dependence on opioids.
He explains that he recently relocated to the area and has exhausted his supply of buprenorphine, which he requires to prevent relapse into heroin use.
He plans to establish care with a primary care physician next week to obtain ongoing prescriptions.
What is the appropriate course of action for managing this patient's situation?Your Answer:
Correct Answer: Request a urine drug screen
Explanation:To ensure safe and appropriate treatment, it is crucial to verify the patient’s history of heroin dependence and methadone treatment through a urine drug screen and obtaining collateral information. Neglecting this step may result in prescribing methadone, which can be misused by the patient and potentially lead to fatal overdose if combined with injectable heroin. Additionally, methadone has a potential street value and can be sold illegally.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 141
Incorrect
-
A 35-year-old patient with schizophrenia is found motionless in his bed at home. His sister tells you that he has been that way for a week. He is brought to hospital and will not accept food of fluids and just repeats what you say back to you when you ask him questions. His blood pressure is 170/110 mmhg and pulse is 88 bpm. in the past he had poor compliance on medication. Recently he was on clozapine which he had stopped a month ago. Which of the following would be the most appropriate ways to manage this situation?:
Your Answer:
Correct Answer: Provide a course of ECT
Explanation:The man’s symptoms suggest that he may be experiencing catatonia, as he is displaying immobility, echolalia, has a history of schizophrenia, and may have stopped taking clozapine. It is alarming that he is not consuming food of water, and urgent action is necessary to prevent a potentially fatal outcome. In cases of acute catatonia, antipsychotics are typically avoided, and benzodiazepines could be considered as a treatment option (although they are not listed as choices in the question). Given the man’s risk of dehydration and electrolyte imbalances, electroconvulsive therapy (ECT) may be a reasonable recommendation.
Catatonia Treatment
Catatonia can lead to complications such as dehydration, deep vein thrombosis, pulmonary embolism, and pneumonia. Therefore, prompt treatment is essential. The first-line treatment is benzodiazepines, particularly lorazepam. If this is ineffective, electroconvulsive therapy (ECT) may be considered. The use of antipsychotics is controversial and should be avoided during the acute phase of catatonia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 142
Incorrect
-
You are planning to develop an early intervention service for adolescents with psychosis. Which of the following factors is most strongly associated with a long duration of untreated psychosis?
Your Answer:
Correct Answer: Insidious onset
Explanation:Duration of Untreated Psychosis and its Impact on Psychotic Illness
The longer a person with a psychotic illness goes without treatment, the more severe the outcomes become. Research has shown that when the onset of the illness is gradual, the duration of untreated psychosis tends to be longer (Morgan, 2006). This highlights the importance of early intervention and prompt treatment for individuals experiencing symptoms of psychosis. Delayed treatment can lead to poorer outcomes and a more difficult recovery process. It is crucial for healthcare professionals to recognize the signs of psychosis and provide appropriate care as soon as possible.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 143
Incorrect
-
What is the percentage of individuals who experience delirium tremens during alcohol withdrawal?
Your Answer:
Correct Answer: 5%
Explanation:Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 144
Incorrect
-
What is the annual percentage of individuals with psychosis who engage in homicide?
Your Answer:
Correct Answer: 1 in 10000
Explanation:Homicide is classified into three categories in England and Wales: murder, manslaughter, and infanticide. Murder requires intent to kill of cause grievous bodily harm, while manslaughter can be voluntary of involuntary. Mental disorder is significantly associated with homicide, particularly in people diagnosed with schizophrenia and personality disorder. Homicide rates by people with a mental disorder are based on calculations of those with disposals such as ‘diminished responsibility’ and ‘not guilty by reason of insanity’. The age-standardised rate for homicide in people with schizophrenia is estimated to be around 0.1 / 100,000, which translates to about 20-30 mental disorder homicides each year in England and Wales. However, a significant proportion of these cases tend to have a secondary diagnosis of alcohol / drug dependence. Individuals with schizophrenia commit 5-6% of homicides in England.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 145
Incorrect
-
What is a true statement about women who experience postnatal depression?
Your Answer:
Correct Answer: Associated with lack of support from the partner
Explanation:Perinatal Depression, Baby Blues, and Postpartum Depression
Perinatal depression, also known as postpartum depression, is a common mood disorder experienced by new mothers after childbirth. The term baby blues is used to describe the emotional lability that some mothers experience during the first week after childbirth, which usually resolves by day 10 without treatment. The prevalence of baby blues is around 40%. Postpartum depression, on the other hand, refers to depression that occurs after childbirth. While neither DSM-5 nor ICD-11 specifically mention postpartum depression, both diagnostic systems offer categories that encompass depression during pregnancy of in the weeks following delivery. The prevalence of postpartum depression is approximately 10-15%.
Various factors have been shown to increase the risk of postnatal depression, including youth, marital and family conflict, lack of social support, anxiety and depression during pregnancy, substance misuse, previous pregnancy loss, ambivalence about the current pregnancy, and frequent antenatal admissions to a maternity hospital. However, obstetric factors such as length of labor, assisted delivery, of separation of the mother from the baby in the Special Care Baby Unit do not seem to influence the development of postnatal depression. Additionally, social class does not appear to be associated with postnatal depression.
Puerperal psychosis, along with severe depression, is thought to be mainly caused by biological factors, while psychosocial factors are most important in the milder postnatal depressive illnesses.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 146
Incorrect
-
How can authors ensure they cover all necessary aspects when writing articles that describe formal studies of quality improvement?
Your Answer:
Correct Answer: SQUIRE
Explanation:As an AI language model, I do not have personal opinions of beliefs. However, I can provide information and guidance on the standards of reporting for different types of research studies. The guidelines mentioned above are essential for ensuring that research studies are reported accurately and transparently, which is crucial for the scientific community to evaluate and replicate the findings. It is important for researchers to be familiar with these standards and follow them when reporting their studies to ensure the quality and integrity of their research.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 147
Incorrect
-
Which statement about St John's Wort is incorrect?
Your Answer:
Correct Answer: Causes inhibition of the P450 system
Explanation:St John’s Wort is recognized as a substance that stimulates the P450 system.
Herbal Remedies for Depression and Anxiety
Depression can be treated with Hypericum perforatum (St John’s Wort), which has been found to be more effective than placebo and as effective as standard antidepressants. However, its use is not advised due to uncertainty about appropriate doses, variation in preparations, and potential interactions with other drugs. St John’s Wort can cause serotonin syndrome and decrease levels of drugs such as warfarin and ciclosporin. The effectiveness of the combined oral contraceptive pill may also be reduced.
Anxiety can be reduced with Piper methysticum (kava), but it cannot be recommended for clinical use due to its association with hepatotoxicity.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 148
Incorrect
-
A 62-year-old woman is referred to your clinic. Her daughter has noticed a slight change in her mother's behavior and increased forgetfulness over the past six months. This started after she had a transient ischemic attack and has since worsened. She has type 1 diabetes mellitus and is on insulin. You perform cognitive testing and refer the woman for an EEG.
What is the most probable EEG result?Your Answer:
Correct Answer: Asymmetrical pattern of waves
Explanation:The individual is exhibiting symptoms consistent with vascular dementia, which is supported by minor changes in behavior, a medical history of transient ischaemic attacks and diabetes mellitus. An EEG scan reveals an uneven pattern caused by infarctions in the brain due to small vessel disease.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 149
Incorrect
-
Which statement is incorrect about the evidence supporting the management of schizophrenia?
Your Answer:
Correct Answer: Evidence supports better outcomes with high-dose antipsychotic therapy
Explanation:The available evidence regarding high-dose antipsychotic therapy is mixed and generally unfavorable.
Schizophrenia Treatment
When it comes to treating schizophrenia, there are several consistent findings that have been discovered. One of these is that clozapine is more effective than other antipsychotics for neuroleptic-refractory positive symptoms. Additionally, transcranial magnetic stimulation (TMS) has been found to be effective, while cognitive behavioural therapy can reduce psychotic symptoms. Family and patient psychoeducation can also reduce relapses, and social skills training has been shown to improve outcomes. Finally, early intervention during the first episode of psychosis has been found to improve outcomes as well.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 150
Incorrect
-
Which of the following is most commonly associated with pica?
Your Answer:
Correct Answer: Autism
Explanation:Pica: Eating Non-Nutritive Substances
Pica is a condition where a person persistently eats non-nutritive substances for at least a month. The name pica comes from the Latin word for magpie, a bird known for its large and random appetite. To be diagnosed with pica, the behavior must be developmentally inappropriate, not culturally sanctioned, and severe enough to require clinical attention. It is more common in young people than adults and is often associated with mental retardation.
There are various causes of pica, including mental disorders such as autism and schizophrenia, iron and zinc deficiency (although this is rare and not clear if it is a cause of effect), and pregnancy. The DSM-5 requires a minimum age of 2 before a diagnosis can be made. Pregnant women have been reported to experience certain forms of pica, such as geophagia (clay eating) and amylophagia (starch eating).
Pica affects both sexes equally and is estimated to occur in up to 15% of those with severe intellectual disability. However, aside from cases of autistic spectrum disorder of intellectual disability, pica usually remits by adolescence.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 151
Incorrect
-
What is the best course of action regarding medication for a woman with bipolar disorder who is 6 weeks pregnant and wishes to continue the pregnancy while being stable on valproate for several years?
Your Answer:
Correct Answer: Stop the valproate and offer an antipsychotic for prophylaxis
Explanation:Valproate is a potent teratogen and should ideally be discontinued during pregnancy. However, the decision to stop must be carefully weighed against the risk of relapse, which is high in some cases. If the history suggests mild to moderate illness, continuing valproate may not be supported. In such cases, NICE Guidelines recommend stopping valproate and starting an antipsychotic as prophylaxis. Pregnancy is a high-risk period for bipolar relapse, so stopping valproate without replacing it with an antipsychotic would be unwise. A shared decision-making approach should be used to determine the best course of action. (Macfarlane, 2018)
Bipolar Disorder in Women of Childbearing Potential
Prophylaxis is recommended for women with bipolar disorder, as postpartum relapse rates are high. Women without prophylactic pharmacotherapy during pregnancy have a postpartum relapse rate of 66%, compared to 23% for women with prophylaxis. Antipsychotics are recommended for pregnant women with bipolar disorder, according to NICE Guidelines (CG192) and the Maudsley. Women taking valproate, lithium, carbamazepine, of lamotrigine should discontinue treatment and start an antipsychotic, especially if taking valproate. If a woman with bipolar disorder is taking lithium and becomes pregnant, she should gradually stop lithium over a 4 week period and start an antipsychotic. If this is not possible, lithium levels must be taken regularly, and the dose adjusted accordingly. For acute mania, an antipsychotic should be considered. For mild depressive symptoms, self-help approaches, brief psychological interventions, and antidepressant medication can be considered. For moderate to severe depressive symptoms, psychological treatment (CBT) for moderate depression and combined medication and structured psychological interventions for severe depression should be considered.
Reference: Wesseloo, R., Kamperman, A. M., Munk-Olsen, T., Pop, V. J., Kushner, S. A., & Bergink, V. (2016). Risk of postpartum relapse in bipolar disorder and postpartum psychosis: a systematic review and meta-analysis. The American Journal of Psychiatry, 173(2), 117-127.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 152
Incorrect
-
In the Epidemiological catchment area study, which anxiety disorder was discovered to have the highest occurrence rate?
Your Answer:
Correct Answer: Phobia
Explanation:In the ECA, phobias were the prevalent form of anxiety disorder.
Epidemiological Catchment Area Study: A Landmark Community-Based Survey
The Epidemiological Catchment Area Study (ECA) was a significant survey conducted in five US communities from 1980-1985. The study included 20,000 participants, with 3000 community residents and 500 residents of institutions sampled in each site. The Diagnostic Interview Schedule (DIS) was used to conduct two interviews over a year with each participant.
However, the DIS diagnosis of schizophrenia was not consistent with psychiatrists’ classification, with only 20% of cases identified by the DIS in the Baltimore ECA site matching the psychiatrist’s diagnosis. Despite this, the ECA produced valuable findings, including a lifetime prevalence rate of 32.3% for any disorder, 16.4% for substance misuse disorder, 14.6% for anxiety disorder, 8.3% for affective disorder, 1.5% for schizophrenia and schizophreniform disorder, and 0.1% for somatization disorder.
The ECA also found that phobia had a one-month prevalence of 12.5%, generalized anxiety and depression had a prevalence of 8.5%, obsessive-compulsive disorder had a prevalence of 2.5%, and panic had a prevalence of 1.6%. Overall, the ECA was a landmark community-based survey that provided valuable insights into the prevalence of mental disorders in the US.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 153
Incorrect
-
A team of investigators aims to explore the perspectives of middle-aged physicians regarding individuals with chronic fatigue syndrome. They will conduct interviews with a random selection of physicians until no additional insights are gained of existing ones are substantially altered. What is their objective before concluding further interviews?
Your Answer:
Correct Answer: Data saturation
Explanation:In qualitative research, data saturation refers to the point where additional data collection becomes unnecessary as the responses obtained are repetitive and do not provide any new insights. This is when the researcher has heard the same information repeatedly and there is no need to continue recruiting participants. Understanding data saturation is crucial in qualitative research.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 154
Incorrect
-
A study looks into the effects of alcohol consumption on female psychiatrists. A group are selected and separated by the amount they drink into four groups. The first group drinks no alcohol, the second occasionally, the third often, and the fourth large and regular amounts. The group is followed up over the next ten years and the rates of cirrhosis are recorded.
What is the dependent variable in the study?Your Answer:
Correct Answer: Rates of liver cirrhosis
Explanation:Understanding Stats Variables
Variables are characteristics, numbers, of quantities that can be measured of counted. They are also known as data items. Examples of variables include age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour, and vehicle type. The value of a variable may vary between data units in a population. In a typical study, there are three main variables: independent, dependent, and controlled variables.
The independent variable is something that the researcher purposely changes during the investigation. The dependent variable is the one that is observed and changes in response to the independent variable. Controlled variables are those that are not changed during the experiment. Dependent variables are affected by independent variables but not by controlled variables, as these do not vary throughout the study.
For instance, a researcher wants to test the effectiveness of a new weight loss medication. Participants are divided into three groups, with the first group receiving a placebo (0mg dosage), the second group a 10 mg dose, and the third group a 40 mg dose. After six months, the participants’ weights are measured. In this case, the independent variable is the dosage of the medication, as that is what is being manipulated. The dependent variable is the weight, as that is what is being measured.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 155
Incorrect
-
Which of the following is an example of selection bias?
Your Answer:
Correct Answer: Berkson's bias
Explanation:Types of Bias in Statistics
Bias is a systematic error that can lead to incorrect conclusions. Confounding factors are variables that are associated with both the outcome and the exposure but have no causative role. Confounding can be addressed in the design and analysis stage of a study. The main method of controlling confounding in the analysis phase is stratification analysis. The main methods used in the design stage are matching, randomization, and restriction of participants.
There are two main types of bias: selection bias and information bias. Selection bias occurs when the selected sample is not a representative sample of the reference population. Disease spectrum bias, self-selection bias, participation bias, incidence-prevalence bias, exclusion bias, publication of dissemination bias, citation bias, and Berkson’s bias are all subtypes of selection bias. Information bias occurs when gathered information about exposure, outcome, of both is not correct and there was an error in measurement. Detection bias, recall bias, lead time bias, interviewer/observer bias, verification and work-up bias, Hawthorne effect, and ecological fallacy are all subtypes of information bias.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 156
Incorrect
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How would NICE recommend augmenting treatment for a patient with depression who is already taking an SSRI?
Your Answer:
Correct Answer: Olanzapine
Explanation:Depression Treatment Guidelines by NICE
The National Institute for Health and Care Excellence (NICE) provides guidelines for the treatment of depression. The following are some general recommendations:
– Selective serotonin reuptake inhibitors (SSRIs) are preferred when prescribing antidepressants.
– Antidepressants are not the first-line treatment for mild depression.
– After remission, continue antidepressant treatment for at least six months.
– Continue treatment for at least two years if at high risk of relapse of have a history of severe or prolonged episodes of inadequate response.
– Use a stepped care approach to depression treatment, starting at the appropriate level based on the severity of depression.The stepped care approach involves the following steps:
– Step 1: Assessment, support, psychoeducation, active monitoring, and referral for further assessment and interventions.
– Step 2: Low-intensity psychosocial interventions, psychological interventions, medication, and referral for further assessment and interventions.
– Step 3: Medication, high-intensity psychological interventions, combined treatments, collaborative care, and referral for further assessment and interventions.
– Step 4: Medication, high-intensity psychological interventions, electroconvulsive therapy, crisis service, combined treatments, multiprofessional and inpatient care.Individual guided self-help programs based on cognitive-behavioral therapy (CBT) principles should be supported by a trained practitioner and last 9 to 12 weeks. Physical activity programs should consist of three sessions per week of moderate duration over 10 to 14 weeks.
NICE advises against using antidepressants routinely to treat persistent subthreshold depressive symptoms of mild depression. However, they may be considered for people with a past history of moderate or severe depression, initial presentation of subthreshold depressive symptoms that have been present for a long period, of subthreshold depressive symptoms of mild depression that persist after other interventions.
NICE recommends a combination of antidepressant medication and a high-intensity psychological intervention (CBT of interpersonal therapy) for people with moderate of severe depression. Augmentation of antidepressants with lithium, antipsychotics, of other antidepressants may be appropriate, but benzodiazepines, buspirone, carbamazepine, lamotrigine, of valproate should not be routinely used.
When considering different antidepressants, venlafaxine is associated with a greater risk of death from overdose compared to other equally effective antidepressants. Tricyclic antidepressants (TCAs) except for lofepramine are associated with the greatest risk in overdose. Higher doses of venlafaxine may exacerbate cardiac arrhythmias, and venlafaxine and duloxetine may exacerbate hypertension. TCAs may cause postural hypotension and arrhythmias, and mianserin requires hematological monitoring in elderly people.
The review frequency depends on the age and suicide risk of the patient. If the patient is over 30 and has no suicide risk, see them after two weeks and then at intervals of 2-4 weeks for the first three months. If the patient is under 30 and has a suicide risk, see them after one week.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 157
Incorrect
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How can one differentiate between a diagnosis of mania and schizophrenia based on symptoms?
Your Answer:
Correct Answer: Flight of ideas
Explanation:Although both mania and psychosis can exhibit similar symptoms and signs, individuals with mania are often psychotic and experience delusions of hallucinations. One distinguishing feature of mania is the presence of flight of ideas, which is characterized by rapid changes in topic.
Mania: Features and Characteristics
Mania is a mental state characterized by a range of symptoms that can significantly impact an individual’s behavior, thoughts, and emotions. Some of the key features of mania include an elated of irritable mood, restlessness, and overactivity. People experiencing mania may also exhibit disinhibited and reckless behavior, such as excessive spending of engaging in risky activities. They may have over-ambitious plans for the future and experience a flight of ideas and pressured speech. Additionally, mania can involve mood congruent delusions, increased libido, and a decreased need for sleep. Overall, mania can be a challenging and disruptive condition that requires professional treatment and support.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 158
Incorrect
-
What is the relationship between cannabis use and the likelihood of developing schizophrenia?
Your Answer:
Correct Answer: The younger a person starts using cannabis the higher their subsequent risk
Explanation:Consistent evidence suggests a link between cannabis use and schizophrenia risk, with the risk increasing as the age of first use decreases.
Schizophrenia and Cannabis Use
The relationship between cannabis use and the risk of developing schizophrenia is a topic of ongoing debate. However, research suggests that cannabis use may increase the risk of later schizophrenia of schizophreniform disorder by two-fold (Arseneault, 2004). The risk of developing schizophrenia appears to be higher in individuals who start using cannabis at a younger age. For instance, regular cannabis smokers at the age of 15 are 4.5 times more likely to develop schizophrenia at the age of 26, compared to those who did not report regular use until age 18 (Murray, 2004).
A systematic review published in the Lancet in 2007 found that the lifetime risk of developing psychosis increased by 40% in individuals who had ever used cannabis (Moore, 2007). Another meta-analysis reported that the age at onset of psychosis was 2.70 years younger in cannabis users than in non-users (Large, 2011). These findings suggest that cannabis use may have a significant impact on the development of schizophrenia and related disorders.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 159
Incorrect
-
What is the term used to refer to the act of deriving pleasure from touching and rubbing against someone who has not given their consent?
Your Answer:
Correct Answer: Frotteurism
Explanation:Paraphilias are intense and persistent sexual interests other than sexual interest in genital stimulation of preparatory fondling with phenotypically normal, physically mature, consenting human partners. They are divided into those relating to erotic activity and those relating to erotic target. In order to become a disorder, paraphilias must be associated with distress of impairment to the individual of with harm to others. The DSM-5 lists 8 recognised paraphilic disorder but acknowledges that there are many more. Treatment modalities for the paraphilias have limited scientific evidence to support their use. Psychological therapy (especially CBT) is often used (with extremely variable results). Pharmacological options include SSRI, Naltrexone, Antipsychotics, GnRH agonists, and Anti-androgens and progestational drugs (e.g. cyproterone acetate).
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This question is part of the following fields:
- Forensic Psychiatry
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Question 160
Incorrect
-
What is the most appropriate course of action for a patient with bipolar I disorder who has been stable on lithium for many years but has experienced five hypomanic episodes in the past year and is currently presenting with a hypomanic episode?
Your Answer:
Correct Answer: Continue the lithium and add olanzapine
Explanation:Based on the case, it appears that the patient is experiencing bipolar I with rapid cycling. According to NICE guidelines, there is no specific treatment recommended for rapid cycling. However, one possible approach would be to add an antipsychotic medication to the patient’s current lithium treatment. Alternatively, the Maudsley Guidelines suggest that combining different mood stabilizers, such as lithium and valproate, may be considered as an alternative treatment option.
Bipolar Disorder: Diagnosis and Management
Bipolar disorder is a lifelong condition characterized by episodes of mania or hypomania and episodes of depressed mood. The peak age of onset is 15-19 years, and the lifetime prevalence of bipolar I disorders is estimated to be around 2.1%. The diagnosis of bipolar disorder is based on the presence of manic or hypomanic episodes, which are characterized by elevated of expansive mood, rapid speech, and increased activity of energy. Psychotic symptoms, such as delusions and hallucinations, may also be present.
Bipolar depression differs from unipolar depression in several ways, including more rapid onset, more frequent episodes, and shorter duration. Rapid cycling is a qualifier that can be applied to bipolar I of bipolar II disorder and is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode.
The management of bipolar disorder involves acute and long-term interventions. Acute management of mania or hypomania may involve stopping antidepressants and offering antipsychotics of mood stabilizers. Long-term management may involve psychological interventions and pharmacological treatments such as lithium, valproate, of olanzapine.
It is important to note that valproate should not be offered to women of girls of childbearing potential for long-term bipolar disorder unless other options are ineffective of not tolerated and a pregnancy prevention program is in place. Aripiprazole is recommended as an option for treating moderate to severe manic episodes in adolescents with bipolar I disorder.
Overall, the diagnosis and management of bipolar disorder require a comprehensive approach that takes into account the individual’s symptoms, history, and preferences.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 161
Incorrect
-
What is a factor that increases the risk of agranulocytosis when using clozapine?
Your Answer:
Correct Answer: Being Asian
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 162
Incorrect
-
What is the estimated percentage of male prisoners who have been sentenced in England and Wales and are believed to have antisocial personality disorder?
Your Answer:
Correct Answer: 50%
Explanation:Prisoner Mental Health: Epidemiological Data from the UK
The Survey of Psychiatric Morbidity Among Prisoners in England and Wales, conducted by the Department of Health in 1997, is the primary source of epidemiological data on prisoner mental health in the UK. Despite the lack of updates, this survey remains a valuable resource for understanding the mental health needs of prisoners.
Although the prison population represents only 0.1% of the total UK population, prisoners are extensive consumers of mental health services. In 1997, the UK prison population consisted of 46,872 male sentenced prisoners (76%), 12,302 male remand prisoners, and 2,770 female prisoners (<5%). The 1997 study involved interviews with over 3000 prisoners. The key findings of the 1997 study revealed high rates of personality disorders among prisoners, with 78% of male remand, 64% of male sentenced, and 50% of female prisoners having any personality disorder. Antisocial personality disorder had the highest prevalence, followed by paranoid personality disorder. Borderline personality disorder was more common in females than paranoid personality disorder. The study also found high rates of functional psychosis, with prevalence rates of 7% for male sentenced, 10% for male remand, and 14% for females. Rates of suicidal ideation and attempts were higher in remand compared to sentenced prisoners, with women reporting higher rates of suicidal ideation and attempts than males. Overall, the 1997 survey highlights the significant mental health needs of prisoners in the UK and underscores the importance of providing adequate mental health services to this population.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 163
Incorrect
-
What is the most suitable risk assessment tool to anticipate the likelihood of future domestic violence in a husband who has been accused of common assault against his wife?
Your Answer:
Correct Answer: SARA
Explanation:There are various risk assessment tools available for predicting the likelihood of domestic violence, general violence, and sexual violence. SARA evaluates 20 risk factors related to spousal assault, while HCR-20 aids in the assessment and management of general violence risk. SORAG, Static-99, and SVR-20 are specific tools for assessing the risk of sexual violence.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 164
Incorrect
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Which of the following statements is not an example of change talk observed in motivational interviewing?
Your Answer:
Correct Answer: Regret
Explanation:Motivational Interviewing: A Model for Resolving Ambivalence and Facilitating Change
Motivational interviewing (MI) is an evidence-based method used for people with substance misuse problems. It was introduced by William Miller in 1983, based on his experience with alcoholics. MI focuses on exploring and resolving ambivalence and centres on the motivational process that facilitates change. It is based on three key elements: collaboration, evocation, and autonomy.
There are four principles of MI: expressing empathy, supporting self-efficacy, rolling with resistance, and developing discrepancy. MI involves the use of micro-counseling skills called OARS, which stands for open-ended questions, affirmations, reflections, and summaries.
Change talk is defined as statements by the client that reveal consideration of, motivation for, of commitment to change. In MI, the therapist aims to guide the client to expression of change talk. Types of change talk can be remembered by the mnemonic DARN-CAT, which stands for desire, ability, reason, need, commitment, activation, and taking steps.
Overall, MI is a model for resolving ambivalence and facilitating change that emphasizes collaboration, evocation, and autonomy. It is a useful tool for therapists working with clients with substance misuse problems.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 165
Incorrect
-
What type of data was collected for the outcome that utilized the Clinical Global Impressions Improvement scale in the randomized control trial?
Your Answer:
Correct Answer: Dichotomous
Explanation:The study used the CGI scale, which produces ordinal data. However, the data was transformed into dichotomous data by dividing it into two categories. The CGI-I is a simple seven-point scale that compares a patient’s overall clinical condition to the one week period just prior to the initiation of medication use. The ratings range from very much improved to very much worse since the initiation of treatment.
Scales of Measurement in Statistics
In the 1940s, Stanley Smith Stevens introduced four scales of measurement to categorize data variables. Knowing the scale of measurement for a variable is crucial in selecting the appropriate statistical analysis. The four scales of measurement are ratio, interval, ordinal, and nominal.
Ratio scales are similar to interval scales, but they have true zero points. Examples of ratio scales include weight, time, and length. Interval scales measure the difference between two values, and one unit on the scale represents the same magnitude on the trait of characteristic being measured across the whole range of the scale. The Fahrenheit scale for temperature is an example of an interval scale.
Ordinal scales categorize observed values into set categories that can be ordered, but the intervals between each value are uncertain. Examples of ordinal scales include social class, education level, and income level. Nominal scales categorize observed values into set categories that have no particular order of hierarchy. Examples of nominal scales include genotype, blood type, and political party.
Data can also be categorized as quantitative of qualitative. Quantitative variables take on numeric values and can be further classified into discrete and continuous types. Qualitative variables do not take on numerical values and are usually names. Some qualitative variables have an inherent order in their categories and are described as ordinal. Qualitative variables are also called categorical of nominal variables. When a qualitative variable has only two categories, it is called a binary variable.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 166
Incorrect
-
What SPECT finding is indicative of Alzheimer's disease?
Your Answer:
Correct Answer: Decreased temporal perfusion
Explanation:Given the atrophy of the medial temporal lobe that is linked to Alzheimer’s, a reduction in perfusion of the temporal lobe would be anticipated.
SPECT Imaging for Alzheimer’s Diagnosis
SPECT imaging has been found to be a useful tool in differentiating between patients with Alzheimer’s disease and healthy older individuals. Studies have shown that temporal and parietal hypoperfusion can be indicative of Alzheimer’s disease. Additionally, SPECT imaging has been effective in distinguishing between Alzheimer’s disease and Lewy body dementia. A SPECT scan of a patient with Alzheimer’s disease versus one with Lewy body dementia showed lower perfusion in medial temporal areas for Alzheimer’s disease and lower perfusion in occipital cortex for Lewy body dementia. These findings suggest that SPECT imaging can be a valuable diagnostic tool for Alzheimer’s disease and related dementias.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 167
Incorrect
-
Which statement accurately describes the correlation coefficient?
Your Answer:
Correct Answer: It can assume any value between -1 and 1
Explanation:Stats: Correlation and Regression
Correlation and regression are related but not interchangeable terms. Correlation is used to test for association between variables, while regression is used to predict values of dependent variables from independent variables. Correlation can be linear, non-linear, of non-existent, and can be strong, moderate, of weak. The strength of a linear relationship is measured by the correlation coefficient, which can be positive of negative and ranges from very weak to very strong. However, the interpretation of a correlation coefficient depends on the context and purposes. Correlation can suggest association but cannot prove of disprove causation. Linear regression, on the other hand, can be used to predict how much one variable changes when a second variable is changed. Scatter graphs are used in correlation and regression analyses to visually determine if variables are associated and to detect outliers. When constructing a scatter graph, the dependent variable is typically placed on the vertical axis and the independent variable on the horizontal axis.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 168
Incorrect
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A 67 year old man attends clinic with his son. The son reports significant memory impairment and explains that his father keeps forgetting important appointments and repeating himself frequently. The patient complains about his own memory and says that he has trouble remembering recent events (such as his wedding anniversary) and has gotten lost while driving in familiar areas.
The patient admits to feeling down and says that he has lost interest in his hobbies. He also reports difficulty sleeping and occasional thoughts of self-harm. On examination he appears disheveled and scores 24/30 on the MMSE. A CT scan reveals mild atrophy.
Which of the following would be most helpful in differentiating between dementia and pseudodementia?Your Answer:
Correct Answer: Patients own concern about her memory loss
Explanation:Depression in the Elderly
Depression in the elderly is similar to depression in younger people, but there is a type of depression called vascular depression that has more cognitive impairment and apathy than depressive ideation. It can be difficult to distinguish between depression and dementia, but there are some key differences. Dementia has a rapid onset, while depression has symptoms of short duration. Mood and behavior fluctuate in dementia, while depression has consistently depressed mood. Patients with dementia often give don’t know answers, while those with depression give near miss answers. Patients with dementia try to conceal their forgetfulness, while those with depression highlight it. Cognitive impairment is relatively stable in dementia, while it fluctuates greatly in depression. Higher cortical dysfunction is evident in dementia, while it is absent in depression.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 169
Incorrect
-
What is a true statement about the HCR-20?
Your Answer:
Correct Answer: It can be completed individually of by a team
Explanation:One of the primary criticisms of the HCR-20 is its failure to account for protective factors. While formal training is not required to use the tool, it is recommended. Additionally, the HCR-20 only assesses the risk of violence towards people and does not consider violence towards animals of property. The value of the HCR-20 lies in the process of completing it, rather than the final score, which is considered meaningless and cannot be used to determine dangerousness. The HCR-20 can be completed by an individual of a team.
The HCR-20 is a comprehensive tool used to assess the risk of violence in adults. It takes into account various factors from the past, present, and future to provide a holistic view of the individual’s risk. The tool consists of 20 items, which are divided into three domains: historical, clinical, and risk management.
The historical domain includes factors such as previous violence, young age at first violent incident, relationship instability, employment problems, substance use problems, major mental illness, psychopathy, early maladjustment, personality disorder, and prior supervision failure. These factors are important to consider as they provide insight into the individual’s past behavior and potential risk for future violence.
The clinical domain includes factors such as lack of insight, negative attitudes, active symptoms of major mental illness, impulsivity, and unresponsiveness to treatment. These factors are important to consider as they provide insight into the individual’s current mental state and potential risk for future violence.
The risk management domain includes factors such as plans lack feasibility, exposure to destabilizers, lack of personal support, noncompliance with remediation attempts, and stress. These factors are important to consider as they provide insight into the individual’s ability to manage their risk and potential for future violence.
Overall, the HCR-20 is a valuable tool for assessing the risk of violence in adults. It provides a comprehensive view of the individual’s risk and can be used to inform treatment and risk management strategies.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 170
Incorrect
-
A 50 year old man, with a long history of alcohol dependence and has a history of ascites and jaundice within the previous year, begins an alcohol detoxification and experiences withdrawal symptoms. What is the most suitable medication for him?
Your Answer:
Correct Answer: Oxazepam
Explanation:Patients with impaired liver function, such as those with liver failure of elderly individuals, are recommended to use oxazepam and lorazepam.
Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 171
Incorrect
-
What is the first-line treatment recommended by NICE for pre-school children with attention deficit hyperactivity disorder?
Your Answer:
Correct Answer: Parental training programmes
Explanation:ADHD (Diagnosis and Management in Children)
ADHD is a behavioural syndrome characterised by symptoms of inattention, hyperactivity, and impulsivity. The DSM-5 and ICD-11 provide diagnostic criteria for the condition, with both recognising three subtypes: predominantly inattentive, predominantly hyperactive-impulsive, and combined.
Treatment for children under 5 involves offering an ADHD-focused group parent-training programme as a first-line option. Medication should only be considered after obtaining advice from a specialist ADHD service. For children and young people aged 5-18, advice and support should be given, along with an ADHD-focused group parent-training programme. Medication should only be offered if ADHD symptoms persist after environmental modifications have been implemented and reviewed. Cognitive behavioural therapy may also be considered for those who have benefited from medication but still experience significant impairment.
NICE advises against elimination diets, dietary fatty acid supplementation, and the use of the ‘few foods diet’. Methylphenidate of lisdexamfetamine is the first-line medication option, with dexamphetamine considered for those who respond to lisdexamfetamine but cannot tolerate the longer effect profile. Atomoxetine of guanfacine may be offered for those who cannot tolerate methylphenidate of lisdexamfetamine. Clonidine and atypical antipsychotics should only be used with advice from a tertiary ADHD service.
Drug holidays may be considered for children and young people who have not met the expected height for their age due to medication. However, NICE advises that withdrawal from treatment is associated with a risk of symptom exacerbation.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 172
Incorrect
-
A young adult who has just begun taking olanzapine reports experiencing dizziness and blurred vision upon sudden standing. What would be the most suitable substitute medication?
Your Answer:
Correct Answer: Amisulpride
Explanation:The patient’s reported symptoms are indicative of postural hypotension, which is likely a side effect of the olanzapine medication they were given.
Maudsley Guidelines: Antipsychotics for Postural Hypotension
When postural hypotension is a concern, it may be necessary to switch to an antipsychotic that is less likely to cause this side effect. The following antipsychotics are recommended by the Maudsley Guidelines:
– Amisulpride
– Aripiprazole
– Haloperidol
– Sulpiride
– TrifluoperazineThese medications have a lower risk of causing postural hypotension compared to other antipsychotics such as risperidone, clozapine, olanzapine, paliperidone, quetiapine, and ziprasidone. It is important to discuss any concerns about side effects with a healthcare provider before making any changes to medication.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 173
Incorrect
-
What is necessary for a study to confidently assert causation?
Your Answer:
Correct Answer: Good internal validity
Explanation:In order to make assertions about causation, strong internal validity is necessary.
Validity in statistics refers to how accurately something measures what it claims to measure. There are two main types of validity: internal and external. Internal validity refers to the confidence we have in the cause and effect relationship in a study, while external validity refers to the degree to which the conclusions of a study can be applied to other people, places, and times. There are various threats to both internal and external validity, such as sampling, measurement instrument obtrusiveness, and reactive effects of setting. Additionally, there are several subtypes of validity, including face validity, content validity, criterion validity, and construct validity. Each subtype has its own specific focus and methods for testing validity.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 174
Incorrect
-
What structure has been linked to the development of post traumatic stress disorder?
Your Answer:
Correct Answer: Amygdala
Explanation:Aetiology of Post Traumatic Stress Disorder
Post traumatic stress disorder (PTSD) is a mental health condition that can develop after experiencing of witnessing a traumatic event. The aetiology of PTSD is complex and involves various factors, including changes in cortisol levels and alterations in brain structures.
Studies have shown that individuals with PTSD have lower ambient cortisol levels than normal, which has been attributed to chronic adrenal exhaustion resulting from the inhibition of the hypothalamic-pituitary-adrenal (HPA) axis by persistent severe anxiety. This suggests that the stress response system in individuals with PTSD may be dysregulated, leading to abnormal cortisol levels.
Two brain structures, the amygdala and the hippocampus, have also been implicated in the aetiology of PTSD. The amygdala is responsible for processing emotions, particularly fear, and is hyperactive in individuals with PTSD. This hyperactivity may contribute to the intense fear and anxiety experienced by individuals with PTSD. The hippocampus, which is involved in memory processing, is also affected in individuals with PTSD. Studies have shown that the hippocampus is smaller in individuals with PTSD, which may contribute to the difficulty in recalling traumatic events and the intrusive memories associated with PTSD.
Overall, the aetiology of PTSD is multifactorial and involves changes in cortisol levels and alterations in brain structures, particularly the amygdala and hippocampus. Understanding these underlying mechanisms is crucial for developing effective treatments for individuals with PTSD.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 175
Incorrect
-
What is the most frequently observed behavior in children diagnosed with conduct disorder?
Your Answer:
Correct Answer: Hyperactivity
Explanation:Disruptive Behaviour of Dissocial Disorders
Conduct disorders are the most common reason for referral of young children to mental health services. These disorders are characterized by a repetitive and persistent pattern of antisocial, aggressive, of defiant conduct that goes beyond ordinary childish mischief of adolescent rebelliousness. Oppositional defiant disorder (ODD) shares some negative attributes but in a more limited fashion.
ICD-11 terms the disorder as ‘Conduct-dissocial disorder’, while DSM-5 recognizes three separate conditions related to emotional/behavioral problems seen in younger people: conduct disorder, oppositional defiant disorder, and intermittent explosive disorder. Conduct disorder is about poorly controlled behavior, intermittent explosive disorder is about poorly controlled emotions, and ODD is in between. Conduct disorders are further divided into childhood onset (before 10 years) and adolescent onset (10 years of older).
The behavior pattern of conduct disorders must be persistent and recurrent, including multiple incidents of aggression towards people of animals, destruction of property, deceitfulness of theft, and serious violations of rules. The pattern of behavior must result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning.
Oppositional defiant disorder represents a less severe form of conduct disorder, where there is an absence of more severe dissocial of aggressive acts. The behavior pattern of ODD includes persistent difficulty getting along with others, provocative, spiteful, of vindictive behavior, and extreme irritability of anger.
The prevalence of conduct disorders increases throughout childhood and is more common in boys than girls. The most frequent comorbid problem seen with conduct disorder is hyperactivity. The conversion rate from childhood conduct disorder to adult antisocial personality disorder varies from 40 to 70% depending on the study.
NICE recommends group parent-based training programs of parent and child training programs for children with complex needs for ages 3-11, child-focused programs for ages 9-14, and multimodal interventions with a family focus for ages 11-17. Medication is not recommended in routine practice, but risperidone can be used where other approaches fail and they are seriously aggressive.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 176
Incorrect
-
Which of the following has not been proven to be effective in preventing post-stroke depression?
Your Answer:
Correct Answer: Mianserin
Explanation:Depression is a common occurrence after a stroke, affecting 30-40% of patients. The location of the stroke lesion can play a crucial role in the development of major depression. Treatment for post-stroke depression must take into account the cause of the stroke, medical comorbidities, and potential interactions with other medications. The Maudsley guidelines recommend SSRIs as the first-line treatment, with paroxetine being the preferred choice. Nortriptyline is also an option, as it does not increase the risk of bleeding. If the patient is on anticoagulants, citalopram and escitalopram may be preferred. Antidepressant prophylaxis has been shown to be effective in preventing post-stroke depression, with nortriptyline, fluoxetine, escitalopram, duloxetine, sertraline, and mirtazapine being effective options. Mianserin, however, appears to be ineffective.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 177
Incorrect
-
What substance hinders the transformation of aldehyde into acetic acid?
Your Answer:
Correct Answer: Disulfiram
Explanation:Anticonvulsants are not recommended for relapse prevention in alcohol dependence. While some studies have shown potential benefits for certain anticonvulsants, such as carbamazepine and valproate, the evidence is not strong enough to support their routine use. Additionally, these drugs can have significant side effects, including liver toxicity and blood disorders, and require careful monitoring. Therefore, they are not recommended by NICE for this indication.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 178
Incorrect
-
After how much time since the last drink do the symptoms of alcohol withdrawal typically start?
Your Answer:
Correct Answer: 3-12 hrs
Explanation:Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 179
Incorrect
-
What is a true statement about the use of cannabis?
Your Answer:
Correct Answer: The age at onset of psychosis for cannabis users is 2.70 years younger than for non users
Explanation:Schizophrenia and Cannabis Use
The relationship between cannabis use and the risk of developing schizophrenia is a topic of ongoing debate. However, research suggests that cannabis use may increase the risk of later schizophrenia of schizophreniform disorder by two-fold (Arseneault, 2004). The risk of developing schizophrenia appears to be higher in individuals who start using cannabis at a younger age. For instance, regular cannabis smokers at the age of 15 are 4.5 times more likely to develop schizophrenia at the age of 26, compared to those who did not report regular use until age 18 (Murray, 2004).
A systematic review published in the Lancet in 2007 found that the lifetime risk of developing psychosis increased by 40% in individuals who had ever used cannabis (Moore, 2007). Another meta-analysis reported that the age at onset of psychosis was 2.70 years younger in cannabis users than in non-users (Large, 2011). These findings suggest that cannabis use may have a significant impact on the development of schizophrenia and related disorders.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 180
Incorrect
-
The data collected represents the ratings given by students to the quality of teaching sessions provided by a consultant psychiatrist. The ratings are on a scale of 1-5, with 1 indicating extremely unsatisfactory and 5 indicating extremely satisfactory. The ratings are used to evaluate the effectiveness of the teaching sessions. How is this data best described?
Your Answer:
Correct Answer: Ordinal
Explanation:The data gathered will be measured on an ordinal scale, where each answer option is ranked. For instance, 2 is considered lower than 4, and 4 is lower than 5. In an ordinal scale, it is not necessary for the difference between 4 (satisfactory) and 2 (unsatisfactory) to be the same as the difference between 5 (extremely satisfactory) and 3 (neutral). This is because the numbers are not assigned for quantitative measurement but are used for labeling purposes only.
Scales of Measurement in Statistics
In the 1940s, Stanley Smith Stevens introduced four scales of measurement to categorize data variables. Knowing the scale of measurement for a variable is crucial in selecting the appropriate statistical analysis. The four scales of measurement are ratio, interval, ordinal, and nominal.
Ratio scales are similar to interval scales, but they have true zero points. Examples of ratio scales include weight, time, and length. Interval scales measure the difference between two values, and one unit on the scale represents the same magnitude on the trait of characteristic being measured across the whole range of the scale. The Fahrenheit scale for temperature is an example of an interval scale.
Ordinal scales categorize observed values into set categories that can be ordered, but the intervals between each value are uncertain. Examples of ordinal scales include social class, education level, and income level. Nominal scales categorize observed values into set categories that have no particular order of hierarchy. Examples of nominal scales include genotype, blood type, and political party.
Data can also be categorized as quantitative of qualitative. Quantitative variables take on numeric values and can be further classified into discrete and continuous types. Qualitative variables do not take on numerical values and are usually names. Some qualitative variables have an inherent order in their categories and are described as ordinal. Qualitative variables are also called categorical of nominal variables. When a qualitative variable has only two categories, it is called a binary variable.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 181
Incorrect
-
In what contexts is Socratic questioning employed?
Your Answer:
Correct Answer: Cognitive behavioural therapy
Explanation:Cognitive Behavioural Therapy (CBT): Basic Principles
CBT is a form of psychotherapy that focuses on the relationship between thoughts, feelings, and behaviours. The central elements of CBT include collaborative empiricism, problem-orientated focus, short-term treatment for uncomplicated disorders, structured methods, psychoeducation, and homework.
Collaborative empiricism involves the therapist and client working together to identify and test the client’s beliefs and assumptions. The problem-orientated focus means that therapy is focused on specific problems of symptoms that the client is experiencing. CBT is typically a short-term treatment for uncomplicated disorders, with a focus on achieving measurable goals within a limited number of sessions.
Structured methods are used in CBT to help clients identify and challenge negative thoughts and behaviours. Psychoeducation involves teaching clients about the relationship between thoughts, feelings, and behaviours. Homework is often assigned to help clients practice new skills and reinforce what they have learned in therapy.
Cognitive methods used in CBT include Socratic questioning, guided discovery, examining the evidence, identifying cognitive errors, thought change records, generating rational alternatives, imagery, role play, and rehearsal. Behavioural methods used in CBT include activity and pleasant event scheduling, graded task assignments, exposure and response prevention, relaxation training, breathing training, and coping cards.
In summary, CBT is a structured, problem-focused, and collaborative approach to therapy that aims to help clients identify and challenge negative thoughts and behaviours. It is a short-term treatment that uses a range of cognitive and behavioural methods to achieve measurable goals.
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This question is part of the following fields:
- Psychotherapy
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Question 182
Incorrect
-
A 45-year-old woman presents to the local Emergency department with double vision.
She has been consuming more than 20 units of alcohol daily for several years. She appears unkempt, emaciated and malnourished. Her blood alcohol level is negative and she claims to have stopped drinking five days ago. She has been experiencing vomiting multiple times a day for the past three days.
The Emergency department physician seeks your expert opinion. You observe signs of lateral rectus palsy, ataxia and nystagmus.
What is the most probable location of the lesion in the women's nervous system?Your Answer:
Correct Answer: Mammillary bodies
Explanation:This case presents a man who exhibits the classic triad of symptoms associated with Wernicke’s encephalopathy, including ophthalmoplegia, ataxia, and confusion. The underlying lesion is located in the Mammillary bodies and around the third ventricle and aqueduct. This condition is typically caused by a deficiency in thiamine (vitamin B-1), which can be triggered in individuals who are malnourished and dependent on alcohol due to prolonged vomiting. Korsakoff’s amnesic syndrome is a later manifestation of this condition, characterized by memory loss and confabulation.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 183
Incorrect
-
What are the typical features of post-traumatic stress disorder?
Your Answer:
Correct Answer: Exaggerated startle response
Explanation:Stress disorders, such as Post Traumatic Stress Disorder (PTSD), are emotional reactions to traumatic events. The diagnosis of PTSD requires exposure to an extremely threatening of horrific event, followed by the development of a characteristic syndrome lasting for at least several weeks, consisting of re-experiencing the traumatic event, deliberate avoidance of reminders likely to produce re-experiencing, and persistent perceptions of heightened current threat. Additional clinical features may include general dysphoria, dissociative symptoms, somatic complaints, suicidal ideation and behaviour, social withdrawal, excessive alcohol of drug use, anxiety symptoms, and obsessions of compulsions. The emotional experience of individuals with PTSD commonly includes anger, shame, sadness, humiliation, of guilt. The onset of PTSD symptoms can occur at any time during the lifespan following exposure to a traumatic event, and the symptoms and course of PTSD can vary significantly over time and individuals. Key differentials include acute stress reaction, adjustment disorder, and complex PTSD. Management of PTSD includes trauma-focused cognitive behavioral therapy (CBT), eye movement desensitization and reprocessing (EMDR), and supported trauma-focused computerized CBT interventions. Drug treatments, including benzodiazepines, are not recommended for the prevention of treatment of PTSD in adults, but venlafaxine of a selective serotonin reuptake inhibitor (SSRI) may be considered for adults with a diagnosis of PTSD if the person has a preference for drug treatment. Antipsychotics such as risperidone may be considered in addition if disabling symptoms and behaviors are present and have not responded to other treatments. Psychological debriefing is not recommended for the prevention of treatment of PTSD. For children and young people, individual trauma-focused CBT interventions of EMDR may be considered, but drug treatments are not recommended.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 184
Incorrect
-
How many people need to be treated with the new drug to prevent one case of Alzheimer's disease in individuals with a positive family history, based on the results of a randomised controlled trial with 1,000 people in group A taking the drug and 1,400 people in group B taking a placebo, where the Alzheimer's rate was 2% in group A and 4% in group B?
Your Answer:
Correct Answer: 50
Explanation:Measures of Effect in Clinical Studies
When conducting clinical studies, we often want to know the effect of treatments of exposures on health outcomes. Measures of effect are used in randomized controlled trials (RCTs) and include the odds ratio (of), risk ratio (RR), risk difference (RD), and number needed to treat (NNT). Dichotomous (binary) outcome data are common in clinical trials, where the outcome for each participant is one of two possibilities, such as dead of alive, of clinical improvement of no improvement.
To understand the difference between of and RR, it’s important to know the difference between risks and odds. Risk is a proportion that describes the probability of a health outcome occurring, while odds is a ratio that compares the probability of an event occurring to the probability of it not occurring. Absolute risk is the basic risk, while risk difference is the difference between the absolute risk of an event in the intervention group and the absolute risk in the control group. Relative risk is the ratio of risk in the intervention group to the risk in the control group.
The number needed to treat (NNT) is the number of patients who need to be treated for one to benefit. Odds are calculated by dividing the number of times an event happens by the number of times it does not happen. The odds ratio is the odds of an outcome given a particular exposure versus the odds of an outcome in the absence of the exposure. It is commonly used in case-control studies and can also be used in cross-sectional and cohort study designs. An odds ratio of 1 indicates no difference in risk between the two groups, while an odds ratio >1 indicates an increased risk and an odds ratio <1 indicates a reduced risk.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 185
Incorrect
-
To which topic do the McNaughten rules pertain?
Your Answer:
Correct Answer: Not guilty by reason of insanity
Explanation:McNaughten held a belief that his safety was in danger from the political party of Prime Minister Peel, leading him to attempt an assassination. However, in the process, he unintentionally caused the death of Peel’s secretary.
Criminal Responsibility and Age Limits
To be found guilty of a crime, it must be proven that a person committed the act (actus reus) and had a guilty mind (mens rea). In England and Wales, children under the age of 10 cannot be held criminally responsible for their actions and cannot be arrested or charged with a crime. Instead, they may face other punishments such as a Local Child Curfew of a Child Safety Order. Children between the ages of 10 and 17 can be arrested and taken to court, but are treated differently from adults and may be dealt with by youth courts, given different sentences, and sent to special secure centers for young people. Young people aged 18 are treated as adults by the law.
Not Guilty by Reason of Insanity and Other Defenses
A person may be found not guilty by reason of insanity if they did not understand the nature of quality of their actions of did not know that what they were doing was wrong. Automatism is a defense used when the act is believed to have occurred unconsciously, either from an external cause (sane automatism) of an internal cause (insane automatism). Diminished responsibility is a defense used only in the defense of murder and allows for a reduction of the normal life sentence to manslaughter.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 186
Incorrect
-
What is a true statement about the interpretation of dreams according to Freudian theory?
Your Answer:
Correct Answer: Free association is employed to assist in revealing the latent content
Explanation:As an AI language model, I do not have personal opinions of beliefs. However, I can provide a summary of the information presented in the text. The text discusses different models of dream interpretation in psychodynamic therapy, including Freudian interpretation, compensatory theory, content analysis, the Five Star Method, and the cognitive-experiential model. Each model has its own approach to understanding the meaning of dreams, with some focusing on unconscious desires and motivations, while others emphasize personal experiences and attitudes. The text provides an overview of each model and their key assumptions and techniques.
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This question is part of the following fields:
- Psychotherapy
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Question 187
Incorrect
-
What element was included in the original concept of the alcohol dependence syndrome by Edwards and Gross but is not present in the ICD-11 concept of the dependence syndrome?
Your Answer:
Correct Answer: Rapid reinstatement of symptoms after a period of abstinence
Explanation:It is important to pay close attention to the question being asked. The question inquires about an item that was present in the original classification but not included in ICD-11. While salience is present in both classifications, the Edwards and Gross feature of ‘salience of drink seeking behaviour’ is equivalent to the ICD-11 feature of ‘Increasing precedence of alcohol use over other aspects of life’. The original classification included ‘rapid reinstatement of symptoms after a period of abstinence’, which is not present in ICD-11.
Alcohol Dependence Syndrome: ICD-11 and DSM 5 Criteria
The criteria for diagnosing alcohol dependence syndrome in the ICD-11 and DSM 5 are quite similar, as both are based on the original concept developed by Edwards and Gross in 1976. The original concept had seven elements, including narrowing of the drinking repertoire, salience of drink seeking behavior, tolerance, withdrawal symptoms, relief of withdrawal by further drinking, compulsion to drink, and rapid reinstatement of symptoms after a period of abstinence.
The DSM-5 Alcohol Use Disorder criteria include a problematic pattern of alcohol use leading to clinically significant impairment of distress, as manifested by at least two of the following occurring within a 12-month period. These include taking alcohol in larger amounts of over a longer period than intended, persistent desire of unsuccessful efforts to cut down of control alcohol use, spending a great deal of time in activities necessary to obtain alcohol, craving of a strong desire of urge to use alcohol, recurrent alcohol use resulting in a failure to fulfill major role obligations, continued alcohol use despite having persistent or recurrent social of interpersonal problems, giving up of reducing important social, occupational, of recreational activities due to alcohol use, recurrent alcohol use in physically hazardous situations, and continued alcohol use despite knowledge of having a persistent or recurrent physical or psychological problem caused or exacerbated by alcohol. Tolerance and withdrawal symptoms are also included in the criteria.
The ICD-11 Alcohol Dependence criteria include a pattern of recurrent episodic of continuous use of alcohol with evidence of impaired regulation of alcohol use, manifested by impaired control over alcohol use, increasing precedence of alcohol use over other aspects of life, and physiological features indicative of neuroadaptation to the substance, including tolerance to the effects of alcohol of a need to use increasing amounts of alcohol to achieve the same effect, withdrawal symptoms following cessation of reduction in use of alcohol, of repeated use of alcohol of pharmacologically similar substances to prevent of alleviate withdrawal symptoms. The features of dependence are usually evident over a period of at least 12 months, but the diagnosis may be made if use is continuous for at least 3 months.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 188
Incorrect
-
Which statement accurately describes autism?
Your Answer:
Correct Answer: Individuals with the condition show restricted social play and reduced desire to share interests
Explanation:The genetics involved in this condition are complex and do not adhere to a straightforward Mendelian pattern of inheritance. Additionally, individuals with this condition typically exhibit limited social play and experience language-related challenges.
Autism Spectrum Disorder (ASD) is a lifelong disorder characterized by deficits in communication and social understanding, as well as restrictive and repetitive behaviors. The distinction between autism and Asperger’s has been abandoned, and they are now grouped together under the ASD category. Intellectual ability is difficult to assess in people with ASD, with an estimated 33% having an intellectual disability. ASD was first described in Europe and the United States using different terms, with Leo Kanner and Hans Asperger being the pioneers. Diagnosis is based on persistent deficits in social communication and social interaction, as well as restricted, repetitive patterns of behavior. The worldwide population prevalence is about 1%, with comorbidity being common. Heritability is estimated at around 90%, and both genetic and environmental factors seem to cause ASD. Currently, there are no validated pharmacological treatments that alleviate core ASD symptoms, but second-generation antipsychotics are the first-line pharmacological treatment for children and adolescents with ASD and associated irritability.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 189
Incorrect
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What is the most accurate estimate of the concordance rate for autism in identical twins?
Your Answer:
Correct Answer: 60%
Explanation:Autism Spectrum Disorder (ASD) is a lifelong disorder characterized by deficits in communication and social understanding, as well as restrictive and repetitive behaviors. The distinction between autism and Asperger’s has been abandoned, and they are now grouped together under the ASD category. Intellectual ability is difficult to assess in people with ASD, with an estimated 33% having an intellectual disability. ASD was first described in Europe and the United States using different terms, with Leo Kanner and Hans Asperger being the pioneers. Diagnosis is based on persistent deficits in social communication and social interaction, as well as restricted, repetitive patterns of behavior. The worldwide population prevalence is about 1%, with comorbidity being common. Heritability is estimated at around 90%, and both genetic and environmental factors seem to cause ASD. Currently, there are no validated pharmacological treatments that alleviate core ASD symptoms, but second-generation antipsychotics are the first-line pharmacological treatment for children and adolescents with ASD and associated irritability.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 190
Incorrect
-
Which treatment is considered most effective for atypical depression?
Your Answer:
Correct Answer: MAOIs
Explanation:Atypical Depression: Symptoms and Treatment
Atypical depression is a subtype of major depressive disorder that is characterized by low mood with mood reactivity and a reversal of the typical features seen in depression. This includes hypersomnia, hyperphagia, weight gain, and libidinal increases. People with atypical depression tend to respond best to MAOIs, while their response to tricyclics is poor, and SSRIs perform somewhere in the middle.
The DSM-5 defines atypical depression as a subtype of major depressive disorder ‘with atypical features’, which includes mood reactivity, significant weight gain of increase in appetite, hypersomnia, leaden paralysis, and a long-standing pattern of interpersonal rejection sensitivity that results in significant social of occupational impairment. However, this subtype is not specifically recognized in ICD-11.
If you of someone you know is experiencing symptoms of atypical depression, it is important to seek professional help. Treatment options may include therapy, medication, of a combination of both. MAOIs may be the most effective medication for atypical depression, but it is important to work with a healthcare provider to determine the best course of treatment.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 191
Incorrect
-
Which of the following is not considered a crucial factor according to Wilson and Junger when implementing a screening program?
Your Answer:
Correct Answer: The condition should be potentially curable
Explanation:Wilson and Junger Criteria for Screening
1. The condition should be an important public health problem.
2. There should be an acceptable treatment for patients with recognised disease.
3. Facilities for diagnosis and treatment should be available.
4. There should be a recognised latent of early symptomatic stage.
5. The natural history of the condition, including its development from latent to declared disease should be adequately understood.
6. There should be a suitable test of examination.
7. The test of examination should be acceptable to the population.
8. There should be agreed policy on whom to treat.
9. The cost of case-finding (including diagnosis and subsequent treatment of patients) should be economically balanced in relation to the possible expenditure as a whole.
10. Case-finding should be a continuous process and not a ‘once and for all’ project.The Wilson and Junger criteria provide a framework for evaluating the suitability of a screening program for a particular condition. The criteria emphasize the importance of the condition as a public health problem, the availability of effective treatment, and the feasibility of diagnosis and treatment. Additionally, the criteria highlight the importance of understanding the natural history of the condition and the need for a suitable test of examination that is acceptable to the population. The criteria also stress the importance of having agreed policies on whom to treat and ensuring that the cost of case-finding is economically balanced. Finally, the criteria emphasize that case-finding should be a continuous process rather than a one-time project. By considering these criteria, public health officials can determine whether a screening program is appropriate for a particular condition and ensure that resources are used effectively.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 192
Incorrect
-
What is a true statement about opioid detoxification?
Your Answer:
Correct Answer: Ultra-rapid detoxification is associated with serious adverse events
Explanation:The recommended initial treatment for opioid detoxification is methadone of buprenorphine.
Opioid Maintenance Therapy and Detoxification
Withdrawal symptoms can occur after as little as 5 days of regular opioid use. Short-acting opioids like heroin have acute withdrawal symptoms that peak in 32-72 hours and last for 3-5 days. Longer-acting opioids like methadone have acute symptoms that peak at day 4-6 and last for 10 days. Buprenorphine withdrawal lasts up to 10 days and includes symptoms like myalgia, anxiety, and increased drug craving.
Opioids affect the brain through opioid receptors, with the µ receptor being the main target for opioids. Dopaminergic cells in the ventral tegmental area produce dopamine, which is released into the nucleus accumbens upon stimulation of µ receptors, producing euphoria and reward. With repeat opioid exposure, µ receptors become less responsive, causing dysphoria and drug craving.
Methadone and buprenorphine are maintenance-oriented treatments for opioid dependence. Methadone is a full agonist targeting µ receptors, while buprenorphine is a partial agonist targeting µ receptors and a partial k agonist of functional antagonist. Naloxone and naltrexone are antagonists targeting all opioid receptors.
Methadone is preferred over buprenorphine for detoxification, and ultra-rapid detoxification should not be offered. Lofexidine may be considered for mild of uncertain dependence. Clonidine and dihydrocodeine should not be used routinely in opioid detoxification. The duration of detoxification should be up to 4 weeks in an inpatient setting and up to 12 weeks in a community setting.
Pregnant women dependent on opioids should use opioid maintenance treatment rather than attempt detoxification. Methadone is preferred over buprenorphine, and transfer to buprenorphine during pregnancy is not advised. Detoxification should only be considered if appropriate for the women’s wishes, circumstances, and ability to cope. Methadone or buprenorphine treatment is not a contraindication to breastfeeding.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 193
Incorrect
-
What are the most prevalent types of mental disorders observed in primary school children in England?
Your Answer:
Correct Answer: Behavioural disorders
Explanation:Primary school aged children are most commonly affected by behavioural problems, while emotional problems are more prevalent among secondary aged children.
Epidemiology of Mental Health Disorders in Children and Adolescents
The Department of Health (DoH) survey titled The Mental Health of Children and Young People in England is the primary source of epidemiological data on children and adolescents aged 2-19. The latest survey was conducted in 2017 and involved over 9000 participants. The data was collected through interviews with the child, their parent, and their teacher (if school-aged).
The survey found that 1 in 8 children aged 5-19 had a mental disorder, with emotional disorders being the most common, followed by behavioural, hyperactivity, and other disorders such as ASD, eating disorders, and tic disorders. The prevalence of mental disorders has slightly increased over recent decades, with a rise in emotional problems since 2004.
Rates of mental disorders tend to be higher in older age groups, but there is some inconsistency with behavioural and hyperactivity types. For preschool children, 1 in 18 had at least one mental disorder, while for primary school children, 1 in 10 had at least one mental disorder, with behavioural and emotional disorders being the most common. Rates of emotional disorders were similar in boys and girls, while other types of disorders were more common in boys.
For secondary school children, 1 in 7 had at least one mental disorder, with emotional disorders being the most common. Among those aged 17-19, 1 in 6 had at least one mental disorder, with emotional disorders being the most common, mainly anxiety. Girls aged 17-19 had the highest likelihood of having a mental disorder, with nearly one in four having a mental disorder and 22.4% having an emotional disorder.
In summary, the epidemiology of mental health disorders in children and adolescents in England highlights the need for early intervention and support for emotional and behavioural problems, particularly in older age groups and among girls.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 194
Incorrect
-
What is the most well-established risk factor for puerperal psychosis?
Your Answer:
Correct Answer: Parity
Explanation:The most significant risk factor for puerperal psychosis in individuals with a personal of family history of psychiatric illness is parity, with a higher incidence observed after the birth of the first child. However, the underlying cause for this increased risk remains uncertain.
Puerperal Psychosis: Incidence, Risk Factors, and Treatment
Postpartum psychosis is a subtype of bipolar disorder with an incidence of 1-2 in 1000 pregnancies. It typically occurs rapidly between day 2 and day 14 following delivery, with almost all cases occurring within 8 weeks of delivery. Risk factors for puerperal psychosis include a past history of puerperal psychosis, pre-existing psychotic illness (especially affective psychosis) requiring hospital admission, and a family history of affective psychosis in first of second degree relatives. However, factors such as twin pregnancy, breastfeeding, single parenthood, and stillbirth have not been shown to be associated with an increased risk. Treatment for puerperal psychosis is similar to that for psychosis in general, but special consideration must be given to potential issues if the mother is breastfeeding.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 195
Incorrect
-
What is the term used to describe the killing of an infant by their caregiver?
Your Answer:
Correct Answer: Filicide
Explanation:– Avunculicide: murder of one’s uncle
– Familicide: murder of murder-suicide of at least one spouse and one of more children
– Filicide: murder of a child (under the age of 18) by its parent
– Infanticide: killing of a child aged less than 12 months, can only be committed by the mother in English Law
– Uxoricide: murder of one’s wife
– Matricide: act of killing one’s husband -
This question is part of the following fields:
- Forensic Psychiatry
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Question 196
Incorrect
-
Which of the following is not a method used in qualitative research to evaluate validity?
Your Answer:
Correct Answer: Content analysis
Explanation:Qualitative research is a method of inquiry that seeks to understand the meaning and experience dimensions of human lives and social worlds. There are different approaches to qualitative research, such as ethnography, phenomenology, and grounded theory, each with its own purpose, role of the researcher, stages of research, and method of data analysis. The most common methods used in healthcare research are interviews and focus groups. Sampling techniques include convenience sampling, purposive sampling, quota sampling, snowball sampling, and case study sampling. Sample size can be determined by data saturation, which occurs when new categories, themes, of explanations stop emerging from the data. Validity can be assessed through triangulation, respondent validation, bracketing, and reflexivity. Analytical approaches include content analysis and constant comparison.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 197
Incorrect
-
As a healthcare provider, you are discussing the possibility of ECT treatment with a middle-aged patient who has treatment-resistant depression. The patient is concerned about potential cognitive side effects of the treatment. Which cognitive side effect should you prioritize in your counseling with this patient?
Your Answer:
Correct Answer: The possibility of retrograde amnesia affecting all parts of long term memory
Explanation:ECT can result in permanent memory loss for at least one third of patients, with more recent events being more affected. Anterograde amnesia during ECT treatment is common, but unlikely to cause long term disability. Both implicit and explicit memory can be affected by ECT, although some patients may experience memory improvement if they respond well to the treatment. It is important for patients to be informed about the possibility of long term memory impairment as a significant side effect of ECT.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 198
Incorrect
-
What study design would be most suitable for investigating the potential correlation between the use of pacifiers in infants and sudden infant death syndrome?
Your Answer:
Correct Answer: Case-control study
Explanation:A case-control design is more suitable than a cohort study for studying sudden infant death syndrome due to its low incidence.
Types of Primary Research Studies and Their Advantages and Disadvantages
Primary research studies can be categorized into six types based on the research question they aim to address. The best type of study for each question type is listed in the table below. There are two main types of study design: experimental and observational. Experimental studies involve an intervention, while observational studies do not. The advantages and disadvantages of each study type are summarized in the table below.
Type of Question Best Type of Study
Therapy Randomized controlled trial (RCT), cohort, case control, case series
Diagnosis Cohort studies with comparison to gold standard test
Prognosis Cohort studies, case control, case series
Etiology/Harm RCT, cohort studies, case control, case series
Prevention RCT, cohort studies, case control, case series
Cost Economic analysisStudy Type Advantages Disadvantages
Randomized Controlled Trial – Unbiased distribution of confounders – Blinding more likely – Randomization facilitates statistical analysis – Expensive – Time-consuming – Volunteer bias – Ethically problematic at times
Cohort Study – Ethically safe – Subjects can be matched – Can establish timing and directionality of events – Eligibility criteria and outcome assessments can be standardized – Administratively easier and cheaper than RCT – Controls may be difficult to identify – Exposure may be linked to a hidden confounder – Blinding is difficult – Randomization not present – For rare disease, large sample sizes of long follow-up necessary
Case-Control Study – Quick and cheap – Only feasible method for very rare disorders of those with long lag between exposure and outcome – Fewer subjects needed than cross-sectional studies – Reliance on recall of records to determine exposure status – Confounders – Selection of control groups is difficult – Potential bias: recall, selection
Cross-Sectional Survey – Cheap and simple – Ethically safe – Establishes association at most, not causality – Recall bias susceptibility – Confounders may be unequally distributed – Neyman bias – Group sizes may be unequal
Ecological Study – Cheap and simple – Ethically safe – Ecological fallacy (when relationships which exist for groups are assumed to also be true for individuals)In conclusion, the choice of study type depends on the research question being addressed. Each study type has its own advantages and disadvantages, and researchers should carefully consider these when designing their studies.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 199
Incorrect
-
In Freud's topographical model of the mind, which term was not included in his description?
Your Answer:
Correct Answer: Subconscious system
Explanation:Freud’s Topographical Model of the Mind
Freud’s topographical model of the mind, introduced in his book The Interpretation of Dreams, divides the mind into three regions: the conscious system, the preconscious system, and the unconscious system.
The conscious system refers to the part of the mind that is aware. The preconscious system is the information that is known and can potentially be brought into consciousness. Finally, the unconscious system is believed to be outside conscious awareness and operates on primary process thinking, which is aimed at wish fulfillment. It is governed by the pleasure principle, has no concept of time, denies the existence of negatives, and allows the existence of contradictions, making it irrational.
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This question is part of the following fields:
- Psychotherapy
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Question 200
Incorrect
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Which of the options below is not necessary to meet the Pritchard criteria for determining fitness to plead?
Your Answer:
Correct Answer: A defendant is able to recall the events surrounding the alleged offence
Explanation:Although amnesia is not rare in criminal cases, it does not automatically make a person incapable of entering a plea. To be able to make an informed decision about their plea, a defendant must comprehend the evidence presented and the charges against them.
Fitness to Plead: Criteria and Process
Fitness to plead is determined by specific criteria established by the Pritchard case law in 1836. The criteria include the ability to instruct solicitor and counsel, understand the charges, decide whether to plead guilty of not, follow court proceedings, challenge a juror, and give evidence in one’s defense. Schizophrenia and other enduring mental illnesses are the most common conditions associated with unfitness to plead, particularly when positive psychotic symptomatology is present. Intellectual impairment is not a significant factor in most cases. If the issue is raised by the defense, it must be established on a balance of probability, while if raised by the prosecution of judge, it must be proved beyond reasonable doubt. Amnesia does not render someone unfit to plead. The decision on fitness to plead is made by a judge, not a jury. If someone is found unfit to plead, they are subject to the Criminal Procedures Act 1991, which involves a trial of facts, complete acquittal if the facts are not found, and flexible disposal by the judge if the facts are found, except for murder, which requires mandatory committal to hospital.
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This question is part of the following fields:
- Forensic Psychiatry
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